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 topics. The ERS staff directory has a complete list of contacts.
Subject areas
Animal Products | Crops | Farm Bill | Farm Economy | Farm Practices & Management | Food & Nutrition Assistance | Food Choices & Health | Food Markets & Prices | Food Safety | International Markets & U.S. Trade | Natural Resources & Environment | Rural Economy & Population| Subject | Specialist | Phone | |
|---|---|---|---|
| Animal Products | |||
| Animal Policy & Regulatory Issues | William Hahn | william.hahn@usda.gov | |
| Aquaculture | Christopher Davis | christopher.davis2@usda.gov | (301) 802-1509 |
| Cattle & Beef | Russell Knight | russell.h.knight@usda.gov | |
| Hannah Taylor | hannah.taylor@usda.gov | ||
| Dairy | Adriana Valcu-Lisman | adriana.valcu-lisman@usda.gov | |
| Angel Terán | angel.teran@usda.gov | ||
| Hogs & Pork | Mildred Haley | mildred.haley@usda.gov | |
| Poultry & Eggs | Grace Grossen | grace.grossen@usda.gov | |
| Sheep, Lamb & Mutton | William Hahn | william.hahn@usda.gov | |
| Crops | |||
| Corn and Other Feed Grains | Aaron M. Ates | aaron.ates@usda.gov | |
| Christele Marsh | christele.marsh@usda.gov | ||
| Todd Hubbs | todd.hubbs@usda.gov | ||
| Cotton and Wool | Leslie Meyer | leslie.meyer@usda.gov | |
| Taylor Dew | taylor.dew@usda.gov | ||
| Philip Jarrell | philip.jarrell@usda.gov | ||
| Fruit and Tree Nuts | Catharine Weber | catharine.weber@usda.gov | |
| Seth Wechsler | seth.wechsler@usda.gov | ||
| Helen Wakefield | helen.wakefield@usda.gov | ||
| Rice | Nathan Childs | nathan.childs@usda.gov | |
| Philip Jarrell | philip.jarrell@usda.gov | ||
| Soybeans and Oil Crops | Maria Bukowski | maria.bukowski@usda.gov | |
| Bryn Swearingen | bryn.swearingen@usda.gov | ||
| Todd Hubbs | todd.hubbs@usda.gov | ||
| Sugar and Sweeteners | Vidalina Abadam | vidalina.abadam@usda.gov | |
| Vegetables and Pulses | Wilma Davis | wilma.davis@usda.gov | |
| Catharine Weber | catharine.weber@usda.gov | ||
| Seth Wechsler | seth.wechsler@usda.gov | ||
| Wheat | Andrew Sowell | andrew.sowell@usda.gov | |
| Todd Hubbs | todd.hubbs@usda.gov | ||
| Farm Bill | |||
| 2024 Farm Bill | |||
| 2018 Farm Bill | |||
| 2014 Farm Bill | |||
| Farm Economy | |||
| Agricultural Baseline | Baseline Team | ers-baselineteam@usda.gov | |
| Agricultural Research and Productivity | Keith Fuglie | keith.fuglie@usda.gov | |
| Sun Ling Wang | sunling.wang@usda.gov | ||
| Eric Njuki | eric.njuki@usda.gov | ||
| Bioenergy | Steven Ramsey | steven.ramsey2@usda.gov | |
| Commodity Outlook | Jennifer Bond | jennifer.bond@usda.gov | |
| Farm & Commodity Policy | Agricultural Policy Team | ers-agriculturalpolicyteam@usda.gov | |
| Farm Household Well-being | Katherine Lim | katherine.lim@usda.gov | |
| Farm Labor | Marcelo Castillo | marcelo.castillo@usda.gov | |
| Skyler Simnitt | skyler.simnitt@usda.gov | ||
| Steven Zahniser | steven.zahniser@usda.gov | ||
| Farm Sector Income & Finances | Farm Income Team | farmincometeam@usda.gov | |
| Farm Structure and Organization | Daniel Bonin | daniel.bonin@usda.gov | |
| Federal Tax Issues | Tia McDonald | tia.mcdonald@usda.gov | |
| Land Use, Land Value & Tenure | Scott Callahan | scott.callahan@usda.gov | |
| Clayton Winters-Michaud | clayton.michaud@usda.gov | ||
| Socially Disadvantaged, Beginning, Limited Resource, and Female Farmers and Ranchers | Katherine Lacy | katherine.lacy@usda.gov | |
| Farm Practices & Management | |||
| Biotechnology | Laura Dodson | laura.dodson@usda.gov | |
| Fertilizers & Pesticides | Roberto Mosheim | roberto.mosheim@usda.gov | |
| Richard Nehring | richard.nehring@usda.gov | ||
| Crop & Livestock Practices | Nigel Key | nigel.key@usda.gov | |
| Irrigation & Water Use | R. Hrozencik | aaron.hrozencik@usda.gov | |
| Risk Management | Francis Tsiboe | francis.tsiboe@usda.gov | |
| Dylan Turner | dylan.turner2@usda.gov | ||
| Food & Nutrition Assistance | |||
| Child Nutrition Programs | Joanne Guthrie | joanne.guthrie@usda.gov | |
| Saied Toossi | saied.toossi@usda.gov | ||
| Jessica Todd | jessica.todd@usda.gov | ||
| Food Assistance Data & Collaborative Research Programs | Mark Prell | mark.prell@usda.gov | |
| Alana Rhone | alana.y.rhone@usda.gov | ||
| Food Security in the U.S. | Matthew Rabbitt | matthew.rabbitt@usda.gov | |
| Laura Hales | laura.hales@usda.gov | ||
| Madeline Reed-Jones | madeline.jones@usda.gov | ||
| Poverty & Income Volatility | Laura Tiehen | laura.tiehen@usda.gov | |
| Supplemental Nutrition Assistance Program (SNAP) | Jordan Jones | jordan.jones2@usda.gov | |
| Erik Scherpf | erik.scherpf@usda.gov | ||
| Christian Gregory | christian.gregory@usda.gov | ||
| WIC Program | Leslie Hodges | leslie.hodges@usda.gov | |
| Jessica Todd | jessica.todd@usda.gov | ||
| Food Choices & Health | |||
| Diet Quality & Nutrition | Sabrina Young | sabrina.young@usda.gov | |
| Consumer Information and Labeling | Brandon Restrepo | brandon.restrepo@usda.gov | |
| Food Access | Alana Rhone | alana.y.rhone@usda.gov | |
| Food Consumption & Demand | Abigail Okrent | abigail.okrent@usda.gov | |
| Diansheng Dong | diansheng.dong@usda.gov | ||
| Hayden Stewart | hayden.stewart@usda.gov | ||
| Obesity | Joanne Guthrie | joanne.guthrie@usda.gov | |
| Mariah Ehmke | mariah.ehmke@usda.gov | ||
| Consumer Food Data System (CFDS) | Mark Prell | mark.prell@usda.gov | |
| Alisha Coleman-Jensen | alisha.coleman-jensen@usda.gov | ||
| Food Markets & Prices | |||
| Consumer and Producer Price Indexes | Megan Sweitzer | megan.sweitzer@usda.gov | |
| Food Prices, Expenditures, and Establishments | Patrick Canning | patrick.canning@usda.gov | |
| Hayden Stewart | hayden.stewart@usda.gov | ||
| Andrea Carlson | andrea.carlson@usda.gov | ||
| Food Service Industry | Eliana Zeballos | eliana.zeballos@usda.gov | |
| Wilson Sinclair | wilson.sinclair@usda.gov | ||
| Local Foods | Anne Byrne | anne.byrne@usda.gov | |
| Ashley Spalding | ashley.spalding@usda.gov | ||
| Processing & Marketing | James Zachary | james.zachary@usda.gov | |
| Retailing & Wholesaling | Anne Byrne | anne.byrne@usda.gov | |
| Eliana Zeballos | eliana.zeballos@usda.gov | ||
| Food Safety | |||
| Consumers | Sandra Hoffmann | sandra.a.hoffmann@usda.gov | |
| Jae-Wan Ahn | jae-wan.ahn@usda.gov | ||
| Markets, Regulation, and Policy | Michael Ollinger | michael.ollinger@usda.gov | |
| Kar Ho Lim | kar.lim@usda.gov | ||
| International Markets & U.S. Trade | |||
| U.S. Agricultural Trade | Bart Kenner | bart.kenner@usda.gov | 816-702-4815 |
| James Kaufman | james.kaufman@usda.gov | ||
| Angelica Williams | angelica.williams@usda.gov | ||
| Countries & Regions | Felix Baquedano | felix.baquedano@usda.gov | |
| Africa | Michael Johnson | michael.johnson7@usda.gov | |
| Brazil | Constanza Valdes | constanza.valdes@usda.gov | |
| China | Fred Gale | fred.gale@usda.gov | |
| China | Jessie Lin | jessie.lin@usda.gov | 771-221-5988 |
| European Union | Jeremy Jelliffe | jeremy.jelliffe@usda.gov | |
| India | Kayode Ajewole | kayode.ajewole@usda.gov | |
| USMCA, Canada, & Mexico | Steven Zahniser | steven.zahniser@usda.gov | |
| International Consumer and Food Industry Trends | Steven Zahniser | steven.zahniser@usda.gov | |
| Constanza Valdes | constanza.valdes@usda.gov | ||
| International Food Security | Yacob Zereyesus | yacob.zereyesus@usda.gov | |
| Lila Cardell | lila.cardell@usda.gov | ||
| Macroeconomics & Agriculture | Wendy Zeng | wendy.zeng@usda.gov | |
| William Johnson | william.johnson3@usda.gov | ||
| Trade Policy & World Trade Organization (WTO) | Katherine Baldwin | katherine.baldwin@usda.gov | |
| Brian Williams | brian.williams2@usda.gov | ||
| Natural Resources & Environment | |||
| Climate Change | Ron Sands | ron.sands@usda.gov | |
| Conservation Programs | Steven Wallander | steve.wallander@usda.gov | |
| Environmental Quality | Steven Wallander | steve.wallander@usda.gov | |
| Organic Agriculture | Sharon Raszap Skorbiansky | sharon.raszap@usda.gov | |
| Rural Economy & Population | |||
| Business & Industry | John Pender | john.pender@usda.gov | |
| Employment & Education | Tracey Farrigan | tracey.farrigan@usda.gov | |
| Austin Sanders | austin.sanders@usda.gov | ||
| Natural Amenities | David McGranahan | david.mcgranahan@usda.gov | |
| Population & Migration | John Cromartie | john.cromartie@usda.gov | |
| Rural Classifications | Austin Sanders | austin.sanders@usda.gov | |
| John Cromartie | john.cromartie@usda.gov | ||
| Rural Poverty & Well-Being | Tracey Farrigan | tracey.farrigan@usda.gov | |