Contact
2366 Rayburn House Office Building Washington DC 20515-1311
Campaign Finance (2026)
Funding Sources
Top Industries
Source: FEC · 2026 cycle
About
Representative Bill Foster is a Democrat representing Illinois's 11th district and is a physicist who spent 22 years at Fermilab pursuing a career in high-energy particle physics.
Background
Bill Foster earned a Ph.D. in physics and spent 22 years as a high-energy particle physicist at Fermilab, where he managed the design of a 3-kilometer anti-proton recycler ring. His scientific work contributed to the discovery of the top quark and earned him several honors, including the Bruno Rossi Prize and the Robert R. Wilson Prize. In addition to his career in physics, Foster has experience as a businessman.
Political career
Bill Foster entered public office after a twenty-two-year career as a physicist at Fermilab. He first served as the U.S. representative for Illinois's 14th congressional district from 2008 to 2011. A member of the Democratic Party, he returned to Congress in 2013 and has since served as the representative for Illinois's 11th congressional district.
Current focus
Foster, Bill represents the 11th congressional district of IL in the U.S. House. Foster, Bill is the ranking member of the Financial Institutions. They also serve on the Digital Assets, Financial Technology, and Artificial Intelligence and the House Committee on Financial Services. They have sponsored 107 bills in the current House, including H.R. 8969; H.J.Res. 177; H.R. 8299.
Committee Assignments
119th Congress
Legislative Activity
107
Bills Sponsored
10
Recent Votes