Senator Mark Kelly, a Democrat from Arizona, has served in the Senate since December 2, 2020, with his current term ending on January 3, 2029. Before his political career, Kelly was an astronaut with NASA, flying four missions to the International Space Station. He co-founded Americans for Responsible Solutions with his wife, former Congresswoman Gabrielle Giffords. Kelly has also introduced legislation aimed at banning stock trading by members of Congress.