Jason Turkish, 39, is a longtime Democratic donor and disability rights lawyer. He is engaged to Haley Stevens.
Turkish endorsed Republican Mike Rogers for U.S. Senate on Wednesday. The endorsement marks a break from his usual party ties.
Rogers is running for a U.S. Senate seat in Michigan. The race has drawn national attention.
Turkish has built a career in disability rights law. His donor history has long favored Democratic candidates.
The endorsement surprised political observers. It comes as Rogers seeks support across party lines.
Stevens has not publicly commented on her fiancé’s endorsement. Her office did not respond to requests for comment.
Turkish’s decision adds a personal dimension to a closely watched Senate race. The contest could shape control of the chamber.
