THE 2026 CANDIDATE FILE
Daniel Biss
Candidate for U.S. House · Illinois · District 9
Projected winner: Daniel Biss
Source checked Nov 4, 2026, 2:35 PM Eastern.
Associated Press via NPR. This call does not certify the result or change who is in office.
Certification: pending. IL · Official state election information
See the state election authority for official reporting. IL · Official state election information
THE PERSON
Background
Daniel Biss worked in university mathematics and advised Illinois Governor Pat Quinn on policy.
Education
- Harvard University · bachelor’s degree, mathematics, 1998
- Massachusetts Institute of Technology · Ph.D., mathematics, 2002
Background sources checked November 1, 2026.
THE POLICIES
Where they stand
Campaign promises are labeled separately from past actions. These are sourced positions, not endorsements or predictions. No stance is assigned from party affiliation.
Sourced issue positions have not yet been added for this candidate. That is a coverage gap, not a claim that they have no views.
THE ELECTION
Ballot & sources
U.S. House · District 9 · November 3, 2026
Candidate listing checked November 1, 2026.
Lake County Clerk · November 3, 2026 candidate list (qualified names and write-ins) ↗The candidate’s name and party follow the official ballot source. Backgrounds and issue positions are checked separately. A candidate is not an officeholder-elect unless a verified result establishes that status.