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About ERS

Subject Specialists

This is a list of ERS specialists by topic. For more information on these topics please contact the specialists listed below or browse our subject areas. The ERS staff directory has a complete list of contacts.


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Africa - International

Stacey Rosen
USDA ERS
Room N5169
1800 M Street NW
Washington DC, 20036

E-Mail: slrosen@ers.usda.gov
Phone: (202) 694-5164

Staff Biographical Page
ERS publications by this specialist


Agricultural Productivity - Farm Practices & Management

Eldon Ball
USDA ERS
Room N4095
1800 M Street NW
Washington DC, 20036

E-Mail: eball@ers.usda.gov
Phone: (202) 694-5601

Staff Biographical Page
ERS publications by this specialist


David Harrington
USDA ERS
Room N4115
1800 M Street NW
Washington DC, 20036

E-Mail: davidh@ers.usda.gov
Phone: (202) 694-5571

ERS publications by this specialist


Agricultural Productivity - Research & Productivity

Eldon Ball
USDA ERS
Room N4095
1800 M Street NW
Washington DC, 20036

E-Mail: eball@ers.usda.gov
Phone: (202) 694-5601

Staff Biographical Page
ERS publications by this specialist


David Harrington
USDA ERS
Room N4115
1800 M Street NW
Washington DC, 20036

E-Mail: davidh@ers.usda.gov
Phone: (202) 694-5571

ERS publications by this specialist


Agricultural Research - Research & Productivity

Paul Heisey
USDA ERS
Room S4009
1800 M Street NW
Washington DC, 20036

E-Mail: pheisey@ers.usda.gov
Phone: (202) 694-5526

Staff Biographical Page
ERS publications by this specialist


Kelly Day-Rubenstein
USDA ERS
Room S4015
1800 M Street NW
Washington DC, 20036

E-Mail: kday@ers.usda.gov
Phone: (202) 694-5515

Staff Biographical Page
ERS publications by this specialist


Aquaculture - Animal Products

David Harvey
USDA ERS
Room N5141
1800 M Street NW
Washington DC, 20036

E-Mail: djharvey@ers.usda.gov
Phone: (202) 694-5177

ERS publications by this specialist



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Biotechnology - Farm Practices & Management

Jorge Fernandez-Cornejo
USDA ERS
Room S4052
1800 M Street NW
Washington DC, 20036

E-Mail: jorgef@ers.usda.gov
Phone: (202) 694-5537

Staff Biographical Page
ERS publications by this specialist


Biotechnology - Food Sector

Elise Golan
USDA ERS
Room N2149
1800 M Street NW
Washington DC, 20036

E-Mail: egolan@ers.usda.gov
Phone: (202) 694-5424

Staff Biographical Page
ERS publications by this specialist


Abebayehu Tegene
USDA ERS
Room N2132
1800 M Street NW
Washington DC, 20036

E-Mail: ategene@ers.usda.gov
Phone: (202) 694-5527

Staff Biographical Page
ERS publications by this specialist


Biotechnology - Research & Productivity

Jorge Fernandez-Cornejo
USDA ERS
Room S4052
1800 M Street NW
Washington DC, 20036

E-Mail: jorgef@ers.usda.gov
Phone: (202) 694-5537

Staff Biographical Page
ERS publications by this specialist


Biotechnology - Trade & International Markets

Jorge Fernandez-Cornejo
USDA ERS
Room S4052
1800 M Street NW
Washington DC, 20036

E-Mail: jorgef@ers.usda.gov
Phone: (202) 694-5537

Staff Biographical Page
ERS publications by this specialist



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Cattle & Beef - Animal Products

Kenneth Mathews
USDA ERS
Room N5103
1800 M Street NW
Washington DC, 20036

E-Mail: kmathews@ers.usda.gov
Phone: (202) 694-5183

ERS publications by this specialist


Child Nutrition Programs - Food & Nutrition Assistance

Joanne Guthrie
USDA ERS
Room N2136
1800 M Street NW
Washington DC, 20036

E-Mail: jguthrie@ers.usda.gov
Phone: (202) 694-5373

Staff Biographical Page
ERS publications by this specialist


China - International

Francis Tuan
USDA ERS
Room N5158
1800 M Street NW
Washington DC, 20036

E-Mail: ftuan@ers.usda.gov
Phone: (202) 694-5238

ERS publications by this specialist


Fred Gale
USDA ERS
Room N5157
1800 M Street NW
Washington DC, 20036

E-Mail: fgale@ers.usda.gov
Phone: (202) 694-5215

Staff Biographical Page
ERS publications by this specialist


Bryan Lohmar
USDA ERS
Room N5129
1800 M Street NW
Washington DC, 20036

E-Mail: blohmar@ers.usda.gov
Phone: (202) 694-5226

ERS publications by this specialist


Commodity Outlook - Farm Economy

Janet Perry
USDA ERS
Room N5117
1800 M Street NW
Washington DC, 20036

E-Mail: jperry@ers.usda.gov
Phone: (202) 694-5152

Staff Biographical Page
ERS publications by this specialist


Commodity Policy - Policy Topics

Anne Effland
USDA ERS
Room S5182
1800 M Street NW
Washington DC, 20036

E-Mail: aeffland@ers.usda.gov
Phone: (202) 694-5319

ERS publications by this specialist


Edwin Young
USDA ERS
Room S5191
1800 M Street NW
Washington DC, 20036

E-Mail: ceyoung@ers.usda.gov
Phone: (202) 694-5336

Staff Biographical Page
ERS publications by this specialist


Commodity Trade - Trade & International Markets

Nora Brooks
USDA ERS
Room N5163
1800 M Street NW
Washington DC, 20036

E-Mail: nbrooks@ers.usda.gov
Phone: (202) 694-5211

ERS publications by this specialist


Alberto Jerardo
USDA ERS
Room N5164
1800 M Street NW
Washington DC, 20036

E-Mail: ajerardo@ers.usda.gov
Phone: (202) 694-5266

Staff Biographical Page
ERS publications by this specialist


Conservation & Environmental Policy - Policy Topics

Roger Claassen
USDA ERS
Room S4008
1800 M Street NW
Washington DC, 20036

E-Mail: claassen@ers.usda.gov
Phone: (202) 694-5473

Staff Biographical Page
ERS publications by this specialist


Marc Ribaudo
USDA ERS
Room S4194
1800 M Street NW
Washington DC, 20036

E-Mail: mribaudo@ers.usda.gov
Phone: (202) 694-5488

Staff Biographical Page
ERS publications by this specialist


Conservation Practices & Programs - Natural Resources & Environment

Roger Claassen
USDA ERS
Room S4008
1800 M Street NW
Washington DC, 20036

E-Mail: claassen@ers.usda.gov
Phone: (202) 694-5473

Staff Biographical Page
ERS publications by this specialist


Conservation Practices - Farm Practices & Management

Carmen Sandretto
USDA ERS
Room N4098
1800 M Street NW
Washington DC, 20036

E-Mail: carmens@ers.usda.gov
Phone: (202) 694-5622

ERS publications by this specialist


Corn & Feed Grains - Crops

Allen Baker
USDA ERS
Room S5213
1800 M Street NW
Washington DC, 20036

E-Mail: albaker@ers.usda.gov
Phone: (202) 694-5290

ERS publications by this specialist


Edward Allen
USDA ERS
Room S5008
1800 M Street NW
Washington DC, 20036

E-Mail: ewallen@ers.usda.gov
Phone: (202) 694-5288

ERS publications by this specialist


Costs of Production - Farm Economy

William McBride
USDA ERS
Room N5099
1800 M Street NW
Washington DC, 20036

E-Mail: wmcbride@ers.usda.gov
Phone: (202) 694-5577

Staff Biographical Page
ERS publications by this specialist


Costs of Production - Farm Practices & Management

William McBride
USDA ERS
Room N5099
1800 M Street NW
Washington DC, 20036

E-Mail: wmcbride@ers.usda.gov
Phone: (202) 694-5577

Staff Biographical Page
ERS publications by this specialist


Cotton & Wool - Crops

Leslie Meyer
USDA ERS
Room S5223
1800 M Street NW
Washington DC, 20036

E-Mail: lmeyer@ers.usda.gov
Phone: (202) 694-5307

ERS publications by this specialist


Stephen MacDonald
USDA ERS
Room S5220
1800 M Street NW
Washington DC, 20036

E-Mail: stephenm@ers.usda.gov
Phone: (202) 694-5305

ERS publications by this specialist


Cropping Practices - Farm Practices & Management

Glenn Schaible
USDA ERS
Room S4048
1800 M Street NW
Washington DC, 20036

E-Mail: schaible@ers.usda.gov
Phone: (202) 694-5549

Staff Biographical Page
ERS publications by this specialist


Cropping Practices - Natural Resources & Environment

Glenn Schaible
USDA ERS
Room S4048
1800 M Street NW
Washington DC, 20036

E-Mail: schaible@ers.usda.gov
Phone: (202) 694-5549

Staff Biographical Page
ERS publications by this specialist



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Dairy - Animal Products

Donald Blayney
USDA ERS
Room N5106
1800 M Street NW
Washington DC, 20036

E-Mail: dblayney@ers.usda.gov
Phone: (202) 694-5171

ERS publications by this specialist


Diet Quality & Nutrition - Diet, Health, & Safety

Biing-Hwan Lin
USDA ERS
Room N2110
1800 M Street NW
Washington DC, 20036

E-Mail: blin@ers.usda.gov
Phone: (202) 694-5458

Staff Biographical Page
ERS publications by this specialist


Lisa Mancino
USDA ERS
Room N2098
1800 M Street NW
Washington DC, 20036

E-Mail: lmancino@ers.usda.gov
Phone: (202) 694-5563

Staff Biographical Page
ERS publications by this specialist


Diet, Health, & Safety

Jay Variyam
USDA ERS
Room N2117
1800 M Street NW
Washington DC, 20036

E-Mail: jvariyam@ers.usda.gov
Phone: (202) 694-5457

Staff Biographical Page
ERS publications by this specialist


Biing-Hwan Lin
USDA ERS
Room N2110
1800 M Street NW
Washington DC, 20036

E-Mail: blin@ers.usda.gov
Phone: (202) 694-5458

Staff Biographical Page
ERS publications by this specialist



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Education, Information, & Labeling - Diet, Health, & Safety

Jay Variyam
USDA ERS
Room N2117
1800 M Street NW
Washington DC, 20036

E-Mail: jvariyam@ers.usda.gov
Phone: (202) 694-5457

Staff Biographical Page
ERS publications by this specialist


Lisa Mancino
USDA ERS
Room N2098
1800 M Street NW
Washington DC, 20036

E-Mail: lmancino@ers.usda.gov
Phone: (202) 694-5563

Staff Biographical Page
ERS publications by this specialist


Environmental Quality - Natural Resources & Environment

Marc Ribaudo
USDA ERS
Room S4194
1800 M Street NW
Washington DC, 20036

E-Mail: mribaudo@ers.usda.gov
Phone: (202) 694-5488

Staff Biographical Page
ERS publications by this specialist


Europe - International

David Kelch
USDA ERS
Room N5085
1800 M Street NW
Washington DC, 20036

E-Mail: dkelch@ers.usda.gov
Phone: (202) 694-5151

ERS publications by this specialist


Nancy Cochrane
USDA ERS
Room N5088
1800 M Street NW
Washington DC, 20036

E-Mail: cochrane@ers.usda.gov
Phone: (202) 694-5143

ERS publications by this specialist


Exchange Rates - Trade & International Markets

Mathew Shane
USDA ERS
Room S5201
1800 M Street NW
Washington DC, 20036

E-Mail: mshane@ers.usda.gov
Phone: (202) 694-5282

ERS publications by this specialist



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Farm Business Management - Farm Practices & Management

Jim Johnson
USDA ERS
Room N4117
1800 M Street NW
Washington DC, 20036

E-Mail: jjohnson@ers.usda.gov
Phone: (202) 694-5570

Staff Biographical Page
ERS publications by this specialist


Farm Economy

Janet Perry
USDA ERS
Room N5117
1800 M Street NW
Washington DC, 20036

E-Mail: jperry@ers.usda.gov
Phone: (202) 694-5152

Staff Biographical Page
ERS publications by this specialist


Jim Johnson
USDA ERS
Room N4117
1800 M Street NW
Washington DC, 20036

E-Mail: jjohnson@ers.usda.gov
Phone: (202) 694-5570

Staff Biographical Page
ERS publications by this specialist


Farm Employment - Farm Economy

William Kandel
USDA ERS
Room N4057
1800 M Street NW
Washington DC, 20036

E-Mail: wkandel@ers.usda.gov
Phone: (202) 694-5021

Staff Biographical Page
ERS publications by this specialist


Farm Employment - Rural Economy

William Kandel
USDA ERS
Room N4057
1800 M Street NW
Washington DC, 20036

E-Mail: wkandel@ers.usda.gov
Phone: (202) 694-5021

Staff Biographical Page
ERS publications by this specialist


Farm Financial Management & Performance - Farm Economy

Mitch Morehart
USDA ERS
Room N4121
1800 M Street NW
Washington DC, 20036

E-Mail: morehart@ers.usda.gov
Phone: (202) 694-5581

Staff Biographical Page
ERS publications by this specialist


Farm Household Well-being - Farm Economy

Mary Ahearn
USDA ERS
Room N4158
1800 M Street NW
Washington DC, 20036

E-Mail: mahearn@ers.usda.gov
Phone: (202) 694-5583

Staff Biographical Page
ERS publications by this specialist


Farm Household Well-being - Rural Economy

Mary Ahearn
USDA ERS
Room N4158
1800 M Street NW
Washington DC, 20036

E-Mail: mahearn@ers.usda.gov
Phone: (202) 694-5583

Staff Biographical Page
ERS publications by this specialist


Farm Income - Farm Economy

Roger Strickland
USDA ERS
Room N4114
1800 M Street NW
Washington DC, 20036

E-Mail: rogers@ers.usda.gov
Phone: (202) 694-5592

Staff Biographical Page
ERS publications by this specialist


Farm Income Policy - Policy Topics

Mitch Morehart
USDA ERS
Room N4121
1800 M Street NW
Washington DC, 20036

E-Mail: morehart@ers.usda.gov
Phone: (202) 694-5581

Staff Biographical Page
ERS publications by this specialist


Farm Income - Rural Economy

Roger Strickland
USDA ERS
Room N4114
1800 M Street NW
Washington DC, 20036

E-Mail: rogers@ers.usda.gov
Phone: (202) 694-5592

Staff Biographical Page
ERS publications by this specialist


Farm Management & Performance - Research & Productivity

Mitch Morehart
USDA ERS
Room N4121
1800 M Street NW
Washington DC, 20036

E-Mail: morehart@ers.usda.gov
Phone: (202) 694-5581

Staff Biographical Page
ERS publications by this specialist


Farm Population - Rural Economy

John Cromartie
USDA ERS
Room N4084
1800 M Street NW
Washington DC, 20036

E-Mail: jbc@ers.usda.gov
Phone: (202) 694-5421

Staff Biographical Page
ERS publications by this specialist


Farm Practices & Management

Stan Daberkow
USDA ERS
Room S4049
1800 M Street NW
Washington DC, 20036

E-Mail: daberkow@ers.usda.gov
Phone: (202) 694-5535

ERS publications by this specialist


Farm Structure - Farm Economy

David Harrington
USDA ERS
Room N4115
1800 M Street NW
Washington DC, 20036

E-Mail: davidh@ers.usda.gov
Phone: (202) 694-5571

ERS publications by this specialist


Robert Hoppe
USDA ERS
Room N4155
1800 M Street NW
Washington DC, 20036

E-Mail: rhoppe@ers.usda.gov
Phone: (202) 694-5572

Staff Biographical Page
ERS publications by this specialist


Fertilizer Use - Farm Practices & Management

Wen Huang
USDA ERS
Room S4036
1800 M Street NW
Washington DC, 20036

E-Mail: whuang@ers.usda.gov
Phone: (202) 694-5542

ERS publications by this specialist


Fertilizer Use - Natural Resources & Environment

Stan Daberkow
USDA ERS
Room S4049
1800 M Street NW
Washington DC, 20036

E-Mail: daberkow@ers.usda.gov
Phone: (202) 694-5535

ERS publications by this specialist


Floriculture & Nursery - Crops

Alberto Jerardo
USDA ERS
Room N5164
1800 M Street NW
Washington DC, 20036

E-Mail: ajerardo@ers.usda.gov
Phone: (202) 694-5266

Staff Biographical Page
ERS publications by this specialist


Food & Nutrition Assistance

Victor Oliveira
USDA ERS
Room N2181
1800 M Street NW
Washington DC, 20036

E-Mail: victoro@ers.usda.gov
Phone: (202) 694-5434

Staff Biographical Page
ERS publications by this specialist


David Smallwood
USDA ERS
Room N2130
1800 M Street NW
Washington DC, 20036

E-Mail: dsmallwd@ers.usda.gov
Phone: (202) 694-5466

Staff Biographical Page
ERS publications by this specialist


Food & Nutrition Assistance Policy - Policy Topics

Mark Prell
USDA ERS
Room N2175
1800 M Street NW
Washington DC, 20036

E-Mail: mprell@ers.usda.gov
Phone: (202) 694-5408

Staff Biographical Page
ERS publications by this specialist


Victor Oliveira
USDA ERS
Room N2181
1800 M Street NW
Washington DC, 20036

E-Mail: victoro@ers.usda.gov
Phone: (202) 694-5434

Staff Biographical Page
ERS publications by this specialist


Food Assistance & Nutrition Research Program (FANRP) - Food & Nutrition Assistance

Victor Oliveira
USDA ERS
Room N2181
1800 M Street NW
Washington DC, 20036

E-Mail: victoro@ers.usda.gov
Phone: (202) 694-5434

Staff Biographical Page
ERS publications by this specialist


David Smallwood
USDA ERS
Room N2130
1800 M Street NW
Washington DC, 20036

E-Mail: dsmallwd@ers.usda.gov
Phone: (202) 694-5466

Staff Biographical Page
ERS publications by this specialist


Food Assistance - Diet, Health, & Safety

Victor Oliveira
USDA ERS
Room N2181
1800 M Street NW
Washington DC, 20036

E-Mail: victoro@ers.usda.gov
Phone: (202) 694-5434

Staff Biographical Page
ERS publications by this specialist


David Smallwood
USDA ERS
Room N2130
1800 M Street NW
Washington DC, 20036

E-Mail: dsmallwd@ers.usda.gov
Phone: (202) 694-5466

Staff Biographical Page
ERS publications by this specialist


Food Consumption - Diet, Health, & Safety

Jean Buzby
USDA ERS
Room S2080
1800 M Street NW
Washington DC, 20036

E-Mail: jbuzby@ers.usda.gov
Phone: (202) 694-5370

Staff Biographical Page
ERS publications by this specialist


Hodan Farah Wells
USDA ERS
Room S2078
1800 M Street NW
Washington DC, 20036

E-Mail: hfarah@ers.usda.gov
Phone: (202) 694-5578

Staff Biographical Page
ERS publications by this specialist


Food Prices & Expenditures - Food Sector

Ephraim Leibtag
USDA ERS
Room N2124
1800 M Street NW
Washington DC, 20036

E-Mail: eleibtag@ers.usda.gov
Phone: (202) 694-5349

Staff Biographical Page
ERS publications by this specialist


Annette Clauson
USDA ERS
Room N2189
1800 M Street NW
Washington DC, 20036

E-Mail: aclauson@ers.usda.gov
Phone: (202) 694-5389

ERS publications by this specialist


Food Safety & Trade - Trade & International Markets

Jean Buzby
USDA ERS
Room S2080
1800 M Street NW
Washington DC, 20036

E-Mail: jbuzby@ers.usda.gov
Phone: (202) 694-5370

Staff Biographical Page
ERS publications by this specialist


Elise Golan
USDA ERS
Room N2149
1800 M Street NW
Washington DC, 20036

E-Mail: egolan@ers.usda.gov
Phone: (202) 694-5424

Staff Biographical Page
ERS publications by this specialist


Food Safety Policy - Policy Topics

Fred Kuchler
USDA ERS
Room N2097
1800 M Street NW
Washington DC, 20036

E-Mail: fkuchler@ers.usda.gov
Phone: (202) 694-5468

Staff Biographical Page
ERS publications by this specialist


Food Safety - Diet, Health, & Safety

Fred Kuchler
USDA ERS
Room N2097
1800 M Street NW
Washington DC, 20036

E-Mail: fkuchler@ers.usda.gov
Phone: (202) 694-5468

Staff Biographical Page
ERS publications by this specialist


Food Safety - Food Sector

Michael Ollinger
USDA ERS
Room S2081
1800 M Street NW
Washington DC, 20036

E-Mail: ollinger@ers.usda.gov
Phone: (202) 694-5454

Staff Biographical Page
ERS publications by this specialist


Food Sector

Gerald Schluter
USDA ERS
Room N2122
1800 M Street NW
Washington DC, 20036

E-Mail: schluter@ers.usda.gov
Phone: (202) 694-5395

Staff Biographical Page
ERS publications by this specialist


Food Security & Hunger - Diet, Health, & Safety

Mark Nord
USDA ERS
Room N2180
1800 M Street NW
Washington DC, 20036

E-Mail: marknord@ers.usda.gov
Phone: (202) 694-5433

Staff Biographical Page
ERS publications by this specialist


Margaret Andrews
USDA ERS
Room N2139
1800 M Street NW
Washington DC, 20036

E-Mail: mandrews@ers.usda.gov
Phone: (202) 694-5441

Staff Biographical Page
ERS publications by this specialist


Food Security & Hunger - Food & Nutrition Assistance

Mark Nord
USDA ERS
Room N2180
1800 M Street NW
Washington DC, 20036

E-Mail: marknord@ers.usda.gov
Phone: (202) 694-5433

Staff Biographical Page
ERS publications by this specialist


Margaret Andrews
USDA ERS
Room N2139
1800 M Street NW
Washington DC, 20036

E-Mail: mandrews@ers.usda.gov
Phone: (202) 694-5441

Staff Biographical Page
ERS publications by this specialist


Food Security & Hunger - Trade & International Markets

Shahla Shapouri
USDA ERS
Room N5077
1800 M Street NW
Washington DC, 20036

E-Mail: shapouri@ers.usda.gov
Phone: (202) 694-5166

ERS publications by this specialist


Stacey Rosen
USDA ERS
Room N5169
1800 M Street NW
Washington DC, 20036

E-Mail: slrosen@ers.usda.gov
Phone: (202) 694-5164

Staff Biographical Page
ERS publications by this specialist


Food Stamp Program - Food & Nutrition Assistance

Margaret Andrews
USDA ERS
Room N2139
1800 M Street NW
Washington DC, 20036

E-Mail: mandrews@ers.usda.gov
Phone: (202) 694-5441

Staff Biographical Page
ERS publications by this specialist


Kenneth Hanson
USDA ERS
Room N2176
1800 M Street NW
Washington DC, 20036

E-Mail: khanson@ers.usda.gov
Phone: (202) 694-5427

Staff Biographical Page
ERS publications by this specialist


Fruit & Tree Nuts - Crops

Susan Pollack
USDA ERS
Room N5057
1800 M Street NW
Washington DC, 20036

E-Mail: pollack@ers.usda.gov
Phone: (202) 694-5251

ERS publications by this specialist


Agnes Perez
USDA ERS
Room S5050
1800 M Street NW
Washington DC, 20036

E-Mail: acperez@ers.usda.gov
Phone: (202) 694-5255

ERS publications by this specialist



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Genetic Resources - Research & Productivity

Kelly Day-Rubenstein
USDA ERS
Room S4015
1800 M Street NW
Washington DC, 20036

E-Mail: kday@ers.usda.gov
Phone: (202) 694-5515

Staff Biographical Page
ERS publications by this specialist


Global Productivity - Research & Productivity

Keith Fuglie
USDA ERS
Room N4099
1800 M Street NW
Washington DC, 20036

E-Mail: kfuglie@ers.usda.gov
Phone: (202) 694-5588

ERS publications by this specialist



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Hogs & Pork - Animal Products

Mildred Haley
USDA ERS
Room N5100
1800 M Street NW
Washington DC, 20036

E-Mail: mhaley@ers.usda.gov
Phone: (202) 694-5176

ERS publications by this specialist



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India - International

Maurice Landes
USDA ERS
Room N5160
1800 M Street NW
Washington DC, 20036

E-Mail: mlandes@ers.usda.gov
Phone: (202) 694-5145

ERS publications by this specialist


Intellectual Property Rights - Trade & International Markets

Paul Heisey
USDA ERS
Room S4009
1800 M Street NW
Washington DC, 20036

E-Mail: pheisey@ers.usda.gov
Phone: (202) 694-5526

Staff Biographical Page
ERS publications by this specialist


Intellectual Property Rights - Research & Productivity

Paul Heisey
USDA ERS
Room S4009
1800 M Street NW
Washington DC, 20036

E-Mail: pheisey@ers.usda.gov
Phone: (202) 694-5526

Staff Biographical Page
ERS publications by this specialist


International

Mary Anne Normile
USDA ERS
Room N5131
1800 M Street NW
Washington DC, 20036

E-Mail: mnormile@ers.usda.gov
Phone: (202) 694-5162

Staff Biographical Page
ERS publications by this specialist


Invasive Species Management - Farm Practices & Management

Craig Osteen
USDA ERS
Room S4024
1800 M Street NW
Washington DC, 20036

E-Mail: costeen@ers.usda.gov
Phone: (202) 694-5547

Staff Biographical Page
ERS publications by this specialist


Invasive Species Management - Natural Resources & Environment

Craig Osteen
USDA ERS
Room S4024
1800 M Street NW
Washington DC, 20036

E-Mail: costeen@ers.usda.gov
Phone: (202) 694-5547

Staff Biographical Page
ERS publications by this specialist


Invasive Species - Trade & International Markets

Donna Roberts
USDA ERS
Room N5111
1800 M Street NW
Washington DC, 20036

E-Mail: droberts@ers.usda.gov
Phone: (202) 694-5193

ERS publications by this specialist


Irrigation & Water Use - Farm Practices & Management

Glenn Schaible
USDA ERS
Room S4048
1800 M Street NW
Washington DC, 20036

E-Mail: schaible@ers.usda.gov
Phone: (202) 694-5549

Staff Biographical Page
ERS publications by this specialist


Irrigation & Water Use - Natural Resources & Environment

Glenn Schaible
USDA ERS
Room S4048
1800 M Street NW
Washington DC, 20036

E-Mail: schaible@ers.usda.gov
Phone: (202) 694-5549

Staff Biographical Page
ERS publications by this specialist



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Japan - International

John Dyck
USDA ERS
Room N5159
1800 M Street NW
Washington DC, 20036

E-Mail: jdyck@ers.usda.gov
Phone: (202) 694-5221

ERS publications by this specialist



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Labeling & Information Policy - Policy Topics

Fred Kuchler
USDA ERS
Room N2097
1800 M Street NW
Washington DC, 20036

E-Mail: fkuchler@ers.usda.gov
Phone: (202) 694-5468

Staff Biographical Page
ERS publications by this specialist


Land Use & Tenure - Farm Practices & Management

Michael Brady
USDA ERS
Room S4177
1800 M Street NW
Washington DC, 20036

E-Mail: mbrady@ers.usda.gov
Phone: (202) 694-5513

Staff Biographical Page
ERS publications by this specialist


Land Use & Tenure - Natural Resources & Environment

Michael Brady
USDA ERS
Room S4177
1800 M Street NW
Washington DC, 20036

E-Mail: mbrady@ers.usda.gov
Phone: (202) 694-5513

Staff Biographical Page
ERS publications by this specialist



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Macroeconomic Linkages - Farm Practices & Management

Mathew Shane
USDA ERS
Room S5201
1800 M Street NW
Washington DC, 20036

E-Mail: mshane@ers.usda.gov
Phone: (202) 694-5282

ERS publications by this specialist


Macroeconomic Linkages - Rural Economy

Stephen Vogel
USDA ERS
Room N4116
1800 M Street NW
Washington DC, 20036

E-Mail: svogel@ers.usda.gov
Phone: (202) 694-5368

Staff Biographical Page
ERS publications by this specialist


Macroeconomic Linkages - Trade & International Markets

Mathew Shane
USDA ERS
Room S5201
1800 M Street NW
Washington DC, 20036

E-Mail: mshane@ers.usda.gov
Phone: (202) 694-5282

ERS publications by this specialist


Manure Management - Farm Practices & Management

Marc Ribaudo
USDA ERS
Room S4194
1800 M Street NW
Washington DC, 20036

E-Mail: mribaudo@ers.usda.gov
Phone: (202) 694-5488

Staff Biographical Page
ERS publications by this specialist


Manure Management - Natural Resources & Environment

Marc Ribaudo
USDA ERS
Room S4194
1800 M Street NW
Washington DC, 20036

E-Mail: mribaudo@ers.usda.gov
Phone: (202) 694-5488

Staff Biographical Page
ERS publications by this specialist


Market Analysis - Farm Economy

Janet Perry
USDA ERS
Room N5117
1800 M Street NW
Washington DC, 20036

E-Mail: jperry@ers.usda.gov
Phone: (202) 694-5152

Staff Biographical Page
ERS publications by this specialist


Market Analysis - Trade & International Markets

Janet Perry
USDA ERS
Room N5117
1800 M Street NW
Washington DC, 20036

E-Mail: jperry@ers.usda.gov
Phone: (202) 694-5152

Staff Biographical Page
ERS publications by this specialist


Market Structure & Concentration - Farm Economy

James MacDonald
USDA ERS
Room N4092
1800 M Street NW
Washington DC, 20036

E-Mail: macdonal@ers.usda.gov
Phone: (202) 694-5610

Staff Biographical Page
ERS publications by this specialist


Market Structure & Concentration - Food Sector

Stephen Martinez
USDA ERS
Room N2145
1800 M Street NW
Washington DC, 20036

E-Mail: martinez@ers.usda.gov
Phone: (202) 694-5378

Staff Biographical Page
ERS publications by this specialist


Phillip Kaufman
USDA ERS
Room N2121
1800 M Street NW
Washington DC, 20036

E-Mail: pkaufman@ers.usda.gov
Phone: (202) 694-5376

Staff Biographical Page
ERS publications by this specialist


Measuring Rurality - Rural Economy

Timothy Parker
USDA ERS
Room N4077
1800 M Street NW
Washington DC, 20036

E-Mail: tparker@ers.usda.gov
Phone: (202) 694-5435

Staff Biographical Page
ERS publications by this specialist


Mexico - International

Steven Zahniser
USDA ERS
Room N5161
1800 M Street NW
Washington DC, 20036

E-Mail: zahniser@ers.usda.gov
Phone: (202) 694-5230

ERS publications by this specialist



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Natural Resources & Environment

Marc Ribaudo
USDA ERS
Room S4194
1800 M Street NW
Washington DC, 20036

E-Mail: mribaudo@ers.usda.gov
Phone: (202) 694-5488

Staff Biographical Page
ERS publications by this specialist


North America & Caribbean - International

Steven Zahniser
USDA ERS
Room N5161
1800 M Street NW
Washington DC, 20036

E-Mail: zahniser@ers.usda.gov
Phone: (202) 694-5230

ERS publications by this specialist


North American Free Trade Agreement (NAFTA) - Trade & International Markets

Steven Zahniser
USDA ERS
Room N5161
1800 M Street NW
Washington DC, 20036

E-Mail: zahniser@ers.usda.gov
Phone: (202) 694-5230

ERS publications by this specialist



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Organic Agriculture - Farm Practices & Management

Catherine Greene
USDA ERS
Room S4051
1800 M Street NW
Washington DC, 20036

E-Mail: cgreene@ers.usda.gov
Phone: (202) 694-5541

ERS publications by this specialist


Organic Agriculture - Food Sector

Carolyn Dimitri
USDA ERS
Room S5053
1800 M Street NW
Washington DC, 20036

E-Mail: cdimitri@ers.usda.gov
Phone: (202) 694-5252

ERS publications by this specialist


Organic Agriculture - Natural Resources & Environment

Catherine Greene
USDA ERS
Room S4051
1800 M Street NW
Washington DC, 20036

E-Mail: cgreene@ers.usda.gov
Phone: (202) 694-5541

ERS publications by this specialist


Carolyn Dimitri
USDA ERS
Room S5053
1800 M Street NW
Washington DC, 20036

E-Mail: cdimitri@ers.usda.gov
Phone: (202) 694-5252

ERS publications by this specialist



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Peanuts - Crops

Erik Dohlman
USDA ERS
Room N5070
1800 M Street NW
Washington DC, 20036

E-Mail: edohlman@ers.usda.gov
Phone: (202) 694-5308

Staff Biographical Page
ERS publications by this specialist


Pest Management - Farm Practices & Management

Michael Livingston
USDA ERS
Room S4028
1800 M Street NW
Washington DC, 20036

E-Mail: mlivingston@ers.usda.gov
Phone: (202) 694-5543

ERS publications by this specialist


Pest Management - Natural Resources & Environment

Michael Livingston
USDA ERS
Room S4028
1800 M Street NW
Washington DC, 20036

E-Mail: mlivingston@ers.usda.gov
Phone: (202) 694-5543

ERS publications by this specialist


Population & Migration - Rural Economy

John Cromartie
USDA ERS
Room N4084
1800 M Street NW
Washington DC, 20036

E-Mail: jbc@ers.usda.gov
Phone: (202) 694-5421

Staff Biographical Page
ERS publications by this specialist


Poultry & Eggs - Animal Products

David Harvey
USDA ERS
Room N5141
1800 M Street NW
Washington DC, 20036

E-Mail: djharvey@ers.usda.gov
Phone: (202) 694-5177

ERS publications by this specialist


Fawzi Taha
USDA ERS
Room N5095
1800 M Street NW
Washington DC, 20036

E-Mail: ftaha@ers.usda.gov
Phone: (202) 694-5178

ERS publications by this specialist


Poverty & Well-being - Rural Economy

Robert Gibbs
USDA ERS
Room N4076
1800 M Street NW
Washington DC, 20036

E-Mail: rgibbs@ers.usda.gov
Phone: (202) 694-5423

Staff Biographical Page
ERS publications by this specialist


Processing - Food Sector

Stephen Martinez
USDA ERS
Room N2145
1800 M Street NW
Washington DC, 20036

E-Mail: martinez@ers.usda.gov
Phone: (202) 694-5378

Staff Biographical Page
ERS publications by this specialist


Product Trade - Food Sector

Anita Regmi
USDA ERS
Room N5082
1800 M Street NW
Washington DC, 20036

E-Mail: aregmi@ers.usda.gov
Phone: (202) 694-5161

ERS publications by this specialist


Mark Gehlhar
USDA ERS
Room N5165
1800 M Street NW
Washington DC, 20036

E-Mail: mgehlhar@ers.usda.gov
Phone: (202) 694-5232

ERS publications by this specialist


Product Trade - Trade & International Markets

Anita Regmi
USDA ERS
Room N5082
1800 M Street NW
Washington DC, 20036

E-Mail: aregmi@ers.usda.gov
Phone: (202) 694-5161

ERS publications by this specialist


Mark Gehlhar
USDA ERS
Room N5165
1800 M Street NW
Washington DC, 20036

E-Mail: mgehlhar@ers.usda.gov
Phone: (202) 694-5232

ERS publications by this specialist



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Research & Development Policy - Policy Topics

Margriet Caswell
USDA ERS
Room S4187
1800 M Street NW
Washington DC, 20036

E-Mail: mcaswell@ers.usda.gov
Phone: (202) 694-5529

ERS publications by this specialist


Research & Productivity

Paul Heisey
USDA ERS
Room S4009
1800 M Street NW
Washington DC, 20036

E-Mail: pheisey@ers.usda.gov
Phone: (202) 694-5526

Staff Biographical Page
ERS publications by this specialist


David Schimmelpfennig
USDA ERS
Room S4179
1800 M Street NW
Washington DC, 20036

E-Mail: des@ers.usda.gov
Phone: (202) 694-5507

ERS publications by this specialist


Retailing & Wholesaling - Food Sector

Phillip Kaufman
USDA ERS
Room N2121
1800 M Street NW
Washington DC, 20036

E-Mail: pkaufman@ers.usda.gov
Phone: (202) 694-5376

Staff Biographical Page
ERS publications by this specialist


Hayden Stewart
USDA ERS
Room N2118
1800 M Street NW
Washington DC, 20036

E-Mail: hstewart@ers.usda.gov
Phone: (202) 694-5394

Staff Biographical Page
ERS publications by this specialist


Rice - Crops

Nathan Childs
USDA ERS
Room N5069
1800 M Street NW
Washington DC, 20036

E-Mail: nchilds@ers.usda.gov
Phone: (202) 694-5292

ERS publications by this specialist


Risk Management - Farm Practices & Management

Michael Roberts
USDA ERS
Room S4178
1800 M Street NW
Washington DC, 20036

E-Mail: mroberts@ers.usda.gov
Phone: (202) 694-5557

ERS publications by this specialist


Robert Dismukes
USDA ERS
Room S5216
1800 M Street NW
Washington DC, 20036

E-Mail: dismukes@ers.usda.gov
Phone: (202) 694-5294

ERS publications by this specialist


Risk Management Policy - Policy Topics

Robert Dismukes
USDA ERS
Room S5216
1800 M Street NW
Washington DC, 20036

E-Mail: dismukes@ers.usda.gov
Phone: (202) 694-5294

ERS publications by this specialist


Rural Development - Rural Economy

Dennis Brown
USDA ERS
Room N4110
1800 M Street NW
Washington DC, 20036

E-Mail: dennisb@ers.usda.gov
Phone: (202) 694-5338

Staff Biographical Page
ERS publications by this specialist


Rural Economy

Robert Gibbs
USDA ERS
Room N4076
1800 M Street NW
Washington DC, 20036

E-Mail: rgibbs@ers.usda.gov
Phone: (202) 694-5423

Staff Biographical Page
ERS publications by this specialist


John Cromartie
USDA ERS
Room N4084
1800 M Street NW
Washington DC, 20036

E-Mail: jbc@ers.usda.gov
Phone: (202) 694-5421

Staff Biographical Page
ERS publications by this specialist


Rural Industry - Rural Economy

David McGranahan
USDA ERS
Room N4102
1800 M Street NW
Washington DC, 20036

E-Mail: dmcg@ers.usda.gov
Phone: (202) 694-5356

Staff Biographical Page
ERS publications by this specialist


Rural Labor & Education - Rural Economy

Robert Gibbs
USDA ERS
Room N4076
1800 M Street NW
Washington DC, 20036

E-Mail: rgibbs@ers.usda.gov
Phone: (202) 694-5423

Staff Biographical Page
ERS publications by this specialist


Rural Policy - Policy Topics

Richard Reeder
USDA ERS
Room N4153
1800 M Street NW
Washington DC, 20036

E-Mail: rreeder@ers.usda.gov
Phone: (202) 694-5360

Staff Biographical Page
ERS publications by this specialist


Rural/Natural Amenities - Natural Resources & Environment

Cynthia Nickerson
USDA ERS
Room S4201
1800 M Street NW
Washington DC, 20036

E-Mail: cnickerson@ers.usda.gov
Phone: (202) 694-5626

ERS publications by this specialist


Rural/Natural Amenities - Rural Economy

David McGranahan
USDA ERS
Room N4102
1800 M Street NW
Washington DC, 20036

E-Mail: dmcg@ers.usda.gov
Phone: (202) 694-5356

Staff Biographical Page
ERS publications by this specialist


Russia & Former Soviet Union - International

William Liefert
USDA ERS
Room S5079
1800 M Street NW
Washington DC, 20036

E-Mail: wliefert@ers.usda.gov
Phone: (202) 694-5156

Staff Biographical Page
ERS publications by this specialist



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Sheep, Lamb & Mutton - Animal Products

Keithly Jones
USDA ERS
Room S5212
1800 M Street NW
Washington DC, 20036

E-Mail: kjones@ers.usda.gov
Phone: (202) 694-5172

ERS publications by this specialist


Small Farms - Rural Economy

Robert Hoppe
USDA ERS
Room N4155
1800 M Street NW
Washington DC, 20036

E-Mail: rhoppe@ers.usda.gov
Phone: (202) 694-5572

Staff Biographical Page
ERS publications by this specialist


David Harrington
USDA ERS
Room N4115
1800 M Street NW
Washington DC, 20036

E-Mail: davidh@ers.usda.gov
Phone: (202) 694-5571

ERS publications by this specialist


Soil Conservation - Natural Resources & Environment

Carmen Sandretto
USDA ERS
Room N4098
1800 M Street NW
Washington DC, 20036

E-Mail: carmens@ers.usda.gov
Phone: (202) 694-5622

ERS publications by this specialist


South America - International

Constanza Valdes
USDA ERS
Room N5138
1800 M Street NW
Washington DC, 20036

E-Mail: cvaldes@ers.usda.gov
Phone: (202) 694-5225

ERS publications by this specialist


Soybeans & Oil Crops - Crops

Mark Ash
USDA ERS
Room S5206
1800 M Street NW
Washington DC, 20036

E-Mail: mash@ers.usda.gov
Phone: (202) 694-5289

ERS publications by this specialist


Sugar & Sweeteners - Crops

Stephen Haley
USDA ERS
Room N5054
1800 M Street NW
Washington DC, 20036

E-Mail: shaley@ers.usda.gov
Phone: (202) 694-5247

ERS publications by this specialist



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Tax Policy - Policy Topics

Ron Durst
USDA ERS
Room N4094
1800 M Street NW
Washington DC, 20036

E-Mail: rdurst@ers.usda.gov
Phone: (202) 694-5347

Staff Biographical Page
ERS publications by this specialist


Taxes - Farm Economy

Ron Durst
USDA ERS
Room N4094
1800 M Street NW
Washington DC, 20036

E-Mail: rdurst@ers.usda.gov
Phone: (202) 694-5347

Staff Biographical Page
ERS publications by this specialist


Trade & International Markets

Mary Anne Normile
USDA ERS
Room N5131
1800 M Street NW
Washington DC, 20036

E-Mail: mnormile@ers.usda.gov
Phone: (202) 694-5162

Staff Biographical Page
ERS publications by this specialist


Trade Policy - Policy Topics

John Wainio
USDA ERS
Room N5137
1800 M Street NW
Washington DC, 20036

E-Mail: jwainio@ers.usda.gov
Phone: (202) 694-5227

ERS publications by this specialist



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Vegetables, Melons, & Pulses - Crops

Gary Lucier
USDA ERS
Room S5049
1800 M Street NW
Washington DC, 20036

E-Mail: glucier@ers.usda.gov
Phone: (202) 694-5253

Staff Biographical Page
ERS publications by this specialist


Alberto Jerardo
USDA ERS
Room N5164
1800 M Street NW
Washington DC, 20036

E-Mail: ajerardo@ers.usda.gov
Phone: (202) 694-5266

Staff Biographical Page
ERS publications by this specialist



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Water Quality - Natural Resources & Environment

Marc Ribaudo
USDA ERS
Room S4194
1800 M Street NW
Washington DC, 20036

E-Mail: mribaudo@ers.usda.gov
Phone: (202) 694-5488

Staff Biographical Page
ERS publications by this specialist


Wheat - Crops

Gary Vocke
USDA ERS
Room S5006
1800 M Street NW
Washington DC, 20036

E-Mail: gvocke@ers.usda.gov
Phone: (202) 694-5285

Staff Biographical Page
ERS publications by this specialist


Edward Allen
USDA ERS
Room S5008
1800 M Street NW
Washington DC, 20036

E-Mail: ewallen@ers.usda.gov
Phone: (202) 694-5288

ERS publications by this specialist


WIC Program - Food & Nutrition Assistance

Elizabeth Frazao
USDA ERS
Room N2153
1800 M Street NW
Washington DC, 20036

E-Mail: efrazao@ers.usda.gov
Phone: (202) 694-5455

Staff Biographical Page
ERS publications by this specialist


Shelly Ver Ploeg
USDA ERS
Room S2087
1800 M Street NW
Washington DC, 20036

E-Mail: sverploeg@ers.usda.gov
Phone: (202) 694-5372

Staff Biographical Page
ERS publications by this specialist


World Trade Organization (WTO) - Policy Topics

John Wainio
USDA ERS
Room N5137
1800 M Street NW
Washington DC, 20036

E-Mail: jwainio@ers.usda.gov
Phone: (202) 694-5227

ERS publications by this specialist


World Trade Organization (WTO) - Trade & International Markets

John Wainio
USDA ERS
Room N5137
1800 M Street NW
Washington DC, 20036

E-Mail: jwainio@ers.usda.gov
Phone: (202) 694-5227

ERS publications by this specialist


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For more information, contact: webadmin@ers.usda.gov

Web administration: webadmin@ers.usda.gov

Updated date: March 21, 2006