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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 & Middle East - International

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

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

Agricultural Productivity - Farm Practices & Management

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

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

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

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

Agricultural Productivity - Research & Productivity

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

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

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

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

Agricultural Research - Research & Productivity

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

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

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

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

Aquaculture - Animal Products

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

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


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Biotechnology - Farm Practices & Management

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

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

Biotechnology - Food Sector

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

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

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

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

Biotechnology - Research & Productivity

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

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

Biotechnology - Trade & International Markets

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

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


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Cattle & Beef - Animal Products

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

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

Child Nutrition Programs - Food & Nutrition Assistance

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

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

China - International

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

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

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

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

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

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

Commodity Outlook - Farm Economy

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

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

Commodity Policy - Policy Topics

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

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

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

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

Commodity Trade - Trade & International Markets

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

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

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

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

Conservation & Environmental Policy - Policy Topics

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

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

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

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

Conservation Practices & Programs - Natural Resources & Environment

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

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

Conservation Practices - Farm Practices & Management

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

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

Corn & Feed Grains - Crops

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

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

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

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

Costs of Production - Farm Economy

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

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

Costs of Production - Farm Practices & Management

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

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

Cotton & Wool - Crops

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

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

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

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

Cropping Practices - Farm Practices & Management

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

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

Cropping Practices - Natural Resources & Environment

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

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


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Dairy - Animal Products

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

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

Diet Quality & Nutrition - Diet, Health, & Safety

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

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

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

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

Diet, Health, & Safety

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

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

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

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


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

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

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

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

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

Environmental Quality - Natural Resources & Environment

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

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

Europe - International

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

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

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

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

Exchange Rates - Trade & International Markets

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

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


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Farm Business Management - Farm Practices & Management

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

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

Farm Economy

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

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

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

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

Farm Employment - Farm Economy

Kandel, William
USDA ERS
Room N4088
1800 M Street NW
Washington DC, 20036

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

Farm Employment - Rural Economy

Kandel, William
USDA ERS
Room N4088
1800 M Street NW
Washington DC, 20036

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

Farm Financial Management & Performance - Farm Economy

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

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

Farm Household Well-being - Farm Economy

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

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

Farm Household Well-being - Rural Economy

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

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

Farm Income - Farm Economy

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

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

Farm Income Policy - Policy Topics

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

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

Farm Income - Rural Economy

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

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

Farm Management & Performance - Research & Productivity

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

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

Farm Population - Rural Economy

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

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

Farm Practices & Management

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

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

Farm Structure - Farm Economy

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

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

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

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

Fertilizer Use - Farm Practices & Management

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

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

Fertilizer Use - Natural Resources & Environment

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

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

Floriculture & Nursery - Crops

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

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

Food & Nutrition Assistance

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

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

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

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

Food & Nutrition Assistance Policy - Policy Topics

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

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

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

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

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

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

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

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

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

Food Assistance - Diet, Health, & Safety

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

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

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

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

Food Consumption - Diet, Health, & Safety

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

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

Wells, Hodan Farah
USDA ERS
Room S2094
1800 M Street NW
Washington DC, 20036

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

Food Prices & Expenditures - Food Sector

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

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

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

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

Food Safety & Trade - Trade & International Markets

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

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

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

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

Food Safety Policy - Policy Topics

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

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

Food Safety - Diet, Health, & Safety

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

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

Food Safety - Food Sector

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

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

Food Sector

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

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

Food Security & Hunger - Diet, Health, & Safety

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

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

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

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

Food Security & Hunger - Food & Nutrition Assistance

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

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

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

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

Food Security & Hunger - Trade & International Markets

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

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

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

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

Food Stamp Program - Food & Nutrition Assistance

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

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

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

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

Fruit & Tree Nuts - Crops

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

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

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

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


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Genetic Resources - Research & Productivity

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

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

Global Productivity - Research & Productivity

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

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


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Hogs & Pork - Animal Products

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

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


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India - International

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

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

Intellectual Property Rights - Trade & International Markets

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

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

Intellectual Property Rights - Research & Productivity

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

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

International

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

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

Invasive Species Management - Farm Practices & Management

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

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

Invasive Species Management - Natural Resources & Environment

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

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

Invasive Species - Trade & International Markets

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

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

Irrigation & Water Use - Farm Practices & Management

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

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

Irrigation & Water Use - Natural Resources & Environment

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

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


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Japan - International

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

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


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Labeling & Information Policy - Policy Topics

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

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

Land Use & Tenure - Farm Practices & Management

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

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

Land Use & Tenure - Natural Resources & Environment

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

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


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Macroeconomic Linkages - Farm Practices & Management

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

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

Macroeconomic Linkages - Rural Economy

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

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

Macroeconomic Linkages - Trade & International Markets

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

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

Manure Management - Farm Practices & Management

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

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

Manure Management - Natural Resources & Environment

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

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

Market Analysis - Farm Economy

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

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

Market Analysis - Trade & International Markets

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

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

Market Structure & Concentration - Farm Economy

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

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

Market Structure & Concentration - Food Sector

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

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

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

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

Measuring Rurality - Rural Economy

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

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

Mexico - International

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

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


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Natural Resources & Environment

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

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

North America & Caribbean - International

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

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

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

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

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


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Organic Agriculture - Farm Practices & Management

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

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

Organic Agriculture - Food Sector

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

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

Organic Agriculture - Natural Resources & Environment

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

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

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

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


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Peanuts - Crops

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

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

Pest Management - Farm Practices & Management

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

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

Pest Management - Natural Resources & Environment

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

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

Population & Migration - Rural Economy

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

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

Poultry & Eggs - Animal Products

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

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

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

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

Poverty & Well-being - Rural Economy

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

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

Processing - Food Sector

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

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

Product Trade - Food Sector

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

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

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

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

Product Trade - Trade & International Markets

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

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

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

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


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Research & Development Policy - Policy Topics

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

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

Research & Productivity

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

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

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

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

Retailing & Wholesaling - Food Sector

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

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

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

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

Rice - Crops

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

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

Risk Management - Farm Practices & Management

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

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

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

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

Risk Management Policy - Policy Topics

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

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

Rural Development - Rural Economy

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

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

Rural Economy

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

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

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

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

Rural Industry - Rural Economy

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

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

Rural Labor & Education - Rural Economy

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

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

Rural Policy - Policy Topics

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

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

Rural/Natural Amenities - Natural Resources & Environment

Nickerson, Cynthia
USDA ERS
Room S4202
1800 M Street NW
Washington DC, 20036

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

Rural/Natural Amenities - Rural Economy

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

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

Russia & Former Soviet Union - International

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

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


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Sheep, Lamb & Mutton - Animal Products

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

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

Small Farms - Rural Economy

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

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

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

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

Soil Conservation - Natural Resources & Environment

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

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

South America - International

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

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

Soybeans & Oil Crops - Crops

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

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

Sugar & Sweeteners - Crops

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

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


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Tax Policy - Policy Topics

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

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

Taxes - Farm Economy

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

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

Trade & International Markets

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

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

Trade Policy - Policy Topics

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

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


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Vegetables, Melons, & Pulses - Crops

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

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

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

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


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Water Quality - Natural Resources & Environment

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

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

Wheat - Crops

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

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

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

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

WIC Program - Food & Nutrition Assistance

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

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

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

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

World Trade Organization (WTO) - Policy Topics

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

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

World Trade Organization (WTO) - Trade & International Markets

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

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

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

Web administration: webadmin@ers.usda.gov

Updated date: March 21, 2006