Iowa Senate Majority Leader Jack Whitver will not seek reelection in 2026 and is ending his stint as the chamber's majority leader.

Whitver, a Republican from Grimes, will serve as majority leader until Senate Republicans meet to elect a new leader in the near future, Senate Republicans announced Tuesday, Sept. 16.

In May, Whitver publicly revealed his diagnosis with a brain tumor and has received radiation and drug therapy. He was reelected in November to serve as majority leader, a role he's held since 2018.

He won reelection to his four-year Iowa Senate term in November 2022, so his retirement leaves the seat open for the 2026 midterm elections.

“I first started campaigning for the Iowa Senate hours after my oldest daughter was born," Whitver said in a statement. "I ran becau

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