Professional Profiles
More than 75 scientists, support staff, contractors and volunteers work for the U.S. Geological Survey Water Science Center at the office in Baltimore and at offices in Dover, Annapolis, and Frostburg. This page offers profile information on some of the members of our staff. Contact information (phone and e-mail) for the Center can be accessed at http://md.water.usgs.gov/district/directory.html
![](pics/img_soon.gif)
Sabrina Alberts
Administrative Specialist
![Small Image of Scott Ator](pics/ator_sm.gif)
Scott Ator
Hydrologist
![](pics/img_soon.gif)
Matt Baker
Hydrologic Technician
![Small Image of Bill Banks](pics/banks_sm.jpg)
Bill Banks
Hydrologist
![Small Image of John Brakebill](pics/j_brakebill_tiny.gif)
John Brakebill
Geographer
![Small image of Mike Brayton](pics/sm_brayton.gif)
Mike Brayton
Hydrologist
![Small Image of Deborah Bringman](pics/sm_deb.gif)
Deborah Bringman
Hydrologic Technician
![Small Image of Dave Brower](pics/sm_dave_b.gif)
Dave Brower
Hydrologic Technician
![](pics/img_soon.gif)
Michael Brownley
Hydrologic Technician
![](pics/img_soon.gif)
Michael A Clark
Student Trainee
![](pics/clune_sm.jpg)
John Clune
Hydrologist
![Small image of Stever Curtin](pics/img_soon.gif)
Steve Curtin
Hydrologic Technician
![Small image of Judy Denver](pics/judy_denver_sm.gif)
Judy Denver
Potomac-Delmarva NAWQA Study Unit Chief
![Small image of Cheryl Dieter](pics/sm_klohe.gif)
Cheryl Dieter
Hydrologist
![Small image of Jon Dillow](pics/sm_jon_d.gif)
Jon Dillow
Hydrologist
![](pics/img_soon.gif)
Jim Dine
Hydrologist
![Small image of Ed Doheny](pics/sm_ed.gif)
Ed Doheny
Surface Water Specialist and Team Leader, Surface Water and Sediment Studies Team
![](pics/img_soon.gif)
Paul E. Exter
Supervisory Computer Specialist
![Small image of Gary Fisher](pics/sm_gary.gif)
Gary Fisher
Hydrologist, USGS Office of Water Information
![](pics/fleming_sm.gif)
Brandon J. Fleming
Hydrologist
![Small image of Gary Fisher](pics/sm_garner.jpg)
Brad Garner
Hydrologist
![](pics/img_soon.gif)
Michael Geissel
Hydrologic Technician
![Small image of Allen Gellis](pics/sm_gellis.gif)
Allen Gellis
Hydrologist
![Small image of Jim Gerhart](pics/sm_jim_g.gif)
Jim Gerhart
Water Science Center Director
![](pics/img_soon.gif)
María del C. Gilliam
Accounting Tech.
![Small image of Jim Jeffries](pics/jimj_sm.gif)
Jim Jeffries
Hydrologic Technician
![Small image of Michael Koterba](pics/img_soon.gif)
Michael Koterba
Hydrologist
![](pics/img_soon.gif)
Jeff Kvech
Hydrologic Technician
![Small image of Andrew LaMotte](pics/andy_sm.gif)
Andrew LaMotte
Geographer
![Small image of Lonnie Lanham](pics/img_soon.gif)
Lonnie Lanham
IT Specialist
![Small image of Lonnie Lanham](pics/img_soon.gif)
Peter E. Lapa-Lilly
STEP Hydrologic Technician
![Small image of Lonnie Lanham](pics/img_soon.gif)
Gary Lauben
Hydrologic Technician
![Small image of Mary Ellen Ley](pics/maryellen_sm.gif)
Mary Ellen Ley
Quality Assurance Officer
![Small image of Michelle Lorah](pics/sm_michelle.gif)
Michelle Lorah
Hydrologist
![Small image of Lonnie Lanham](pics/img_soon.gif)
Betsy Marchand
Hydrologic Technician
![Small image of Wendy McPherson](pics/wendy_sm.gif)
Wendy McPherson
Hydrologist
![Small image of Mastin Mount](pics/sm_mastin.gif)
Mastin Mount
Hydrologic Technician
![Small image of Cherie Miller](pics/miller_thumb.gif)
Cherie Miller
Stream Water-Quality Studies Section Chief & Water-Quality Specialist
![](pics/ladino_sm.gif)
Cassandra Mullinix
Geographer
![](pics/img_soon.gif)
Luke Myers
Hydrologic Technician
![](pics/img_soon.gif)
Carl Noblitt
Hydrologic Technician
![](pics/img_soon.gif)
Matthew Pajerowski
Associate Director
![Small image of Dan Phelan](pics/sm_dan_p.gif)
Dan Phelan
Hydrologist
![Small image of Scott Phillips](pics/sm_sphillips.gif)
Scott Phillips
Chesapeake Bay Program Coordinator
![](pics/img_soon.gif)
Stephen D. Preston
Hydrologist
![Small image of Jeff Raffensperger](pics/sm_jeff_r.gif)
Jeff Raffensperger
Ground-Water Specialist
![](pics/img_soon.gif)
Kernell Ries
Hydrologist
![](pics/krobinson_sm.jpg)
Kwasi Robinson
IT Student Specialist
![](pics/img_soon.gif)
Rick Saffer
Hydrologic Technician
![](pics/img_soon.gif)
Andrew Sekellick
Geographer
![Small image of Bob Shedlock](pics/sm_bob_s.gif)
Bob Shedlock
Associate District Chief
![Small image of Dan Soeder](pics/sm_dan_s.gif)
Dan Soeder
Hydrologist/Geologist
![Small image of Anthony Tallman](pics/sm_tallman.gif)
Anthony Tallman
Hydrologic Technician
![Small image of Peter Tango](pics/sm_tango.jpg)
Peter Tango
Chesapeake Watershed Monitoring Coordinator
![Small image of Holly Weyers](pics/sm_holly.jpg)
Holly S. Weyers
Office Chief
![Small image of Mike Wieczorek](pics/sm_mike_w.gif)
Mike Wieczorek
Geographer