National Exposure Research Laboratory (NERL) Organization Chart
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Research Planning and Coordination Staff
Dr. David Kryak
Acting Staff Director -
National Exposure Research Laboratory
Dr. Linda Sheldon
Acting Director -
Associate Directors
Dr. Alice Gilliland,
Acting Human HealthDr. Rochelle Araujo, Ecology
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Safety, Health and Environmental Management Staff
Marshall Gray
Staff Director -
Office of the Deputy Director
Jewel Morris
Deputy Director -
Program Operations Staff
Randy Brady
Acting Staff Director
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Atmospheric Modeling
DivisionDr. S.T. Rao, Director
David Mobley, Deputy DirectorApplied Modeling Research Branch
Thomas Pierce, Chief
Atmospheric Model Development Branch
Dr. Rohit Mathur, Chief
Fluid Modeling Branch
Valerie Garcia, Chief
Modeling Systems Analysis Branch
Dr. Alice Gilliland, Chief
More About AMD
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Ecosystems Research
DivisionDr. Eric Weber, Acting Director
Dr. Candida West, Deputy DirectorProgram Operations Staff
Cathy Murphy, Director
Processes & Modeling Branch
Dr. J. MacArthur Long, Chief
Ecosystems Assessment Branch
Frank Stancil, Chief
Regulatory Support Branch
Dr. John Johnston, Acting Chief
More About ERD
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Microbiological & Chemical Exposure
Assessment Research DivisionDr. Mark Rodgers, Acting Director
Dr. Thomas Behymer, Acting Assoc. Director
Program Operations Staff
Susan Campbell, Director
Biohazard Assessment Research Branch
Dr. Ann Grimm, Chief
Microbial Exposure Research Branch
Dr. Kevin Oshima, Chief
Chemical Exposure Research Branch
Dr. Jeffrey Morgan, Acting Chief
More About MCEARD
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Human Exposure &
Atmospheric Sciences DivisionDr. Roy Fortmann, Acting Director
Tim Watkins, Deputy DirectorProgram Operations Staff
Katherine Coutros, Acting Director
Exposure Measurements & Analysis Branch
Ron Williams, Acting Chief
Environmental Characterization & Apportionment Branch
Dr. Gary Norris, Acting Chief
Methods Development & Application Branch
Dr. Myriam Medina-Vera, Chief
Process Modeling Research Branch
Fred Dimmick, Chief
Exposure Modeling Research Branch
Brad Schultz, Chief
Exposure & Dose Research Branch
Dr. Curtis Dary, Chief
More About HEASD
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Environmental Sciences
DivisionDan Heggem, Acting Director
Christopher Sibert, Deputy DirectorProgram Operations Staff
Bonita Ronshaugen, Acting Director
Landscape Ecology Branch
Dr. Ricardo Lopez, Acting Chief
Environmental Chemistry Branch
Dr. Brian Schumacher, Acting Chief
Characterization & Monitoring Branch
Steven P. Gardner, Acting Chief
Landscape Characterization Branch
Dr. Dorsey Worthy, Acting Chief
More About ESD
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Ecological Exposure
Research DivisionFlorence Fulk, Acting Director
Robert Graves, Deputy DirectorEcosystems Research Branch
Dr. Gregory Toth, Acting Chief
Molecular Ecology Research Branch
Dr. Mark Bagley, Acting Chief
Molecular Indicators Research Branch
Dr. James Lazorchak, Acting Chief
More About EERD