President Biden's Cabinet/Staff: Principal Members
For those requiring Senate confirmation the responsible Senate committee is in parentheses.
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Defense: Lloyd Austin* (Armed Services Committee)
Justice (Attorney General): Merrick Garland* (Judiciary Committee)
State: Antony Blinken* (Foreign Relations Committee)
Treasury: Janet Yellen* (Finance Committee)
Agriculture: Tom Vilsack* (Agriculture, Nutrition, and Forestry Committee)
Commerce: Gina Raimondo* (Commerce, Science, and Transportation Committee)
Education: Miguel Cardona* (Health, Education, Labor, and Pensions Committee)
Energy: Jennifer Granholm* (Energy and Natural Resources Committee)
Health and Human Services: Xavier Becerra* (Finance Committee)
Homeland Security: Alejandro Mayorkas* (Homeland Security and Governmental Affairs Committee)
Housing and Urban Development: Marcia Fudge* (Banking, Housing, and Urban Affairs Committee)
Interior: Deb Haaland* (Energy and Natural Resources Committee)
Labor: Marty Walsh* (Health, Education, Labor, and Pensions Committee)
Transportation: Pete Buttigieg* (Commerce, Science, and Transportation Committee)
Veterans Affairs: Denis McDonough* (Veterans Affairs Committee)
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Centers for Disease Control: Rochelle Walensky
Central Intelligence: William Burns* (Select Committee on Intelligence)
Chief COVID-19 Medical Adviser: Dr. Anthony Fauci
Chief of Staff: Ron Klain
Climate Czar: Gina McCarthy
Climate (Special Envoy): John Kerry
COVID-19 Response: Jeff Zients
Domestic Policy Council: Susan Rice
Environment: Michael S. Regan* (Environment and Public Works Committee)
Management and Budget: Neera Tanden* (Budget Committee)
National Intelligence: Avril Haines* (Select Committee on Intelligence)
National Security Adviser: Jake Sullivan
Press Secretary: Jennifer Psaki
Small Business Administration: Isabel Guzman* (Small Business and Entrepreneurship Committee)
Surgeon General Vivek Murthy
Trade Representative: Katherine Tai* (Finance Committee)
United Nations Ambassador: Linda Thomas-Greenfield
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*Requires Senate confirmation.
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The "big" fifteen are (with the "big" four listed first):
Defense
Justice (Attorney General)
State
Treasury
Agriculture
Commerce
Education
Energy
Health and Human Services
Homeland Security
Housing and Urban Development
Interior
Labor
Transportation
Veterans Affairs