Who Replaced John McCain in the Senate
John McCain served as the senior U.S. senator from Arizona until his death in August 2018. Under Arizona law, the governor appoints a temporary replacement to serve until a special election is held.
Jon Kyl and Kyrsten Sinema
Governor Doug Ducey first appointed Jon Kyl to fill McCain's seat. Kyl resigned in late 2018, and Ducey then appointed Kyrsten Sinema, who served until January 2023. Learn more about the appointment process on the official Arizona governor's website here.
Who Holds Arizona's Senate Seat Now
Kyrsten Sinema left the Senate in January 2023. Arizona Governor Katie Hobbs appointed Ruben Gallego to complete the term, and Gallego took office as the state's junior senator.
