Martin M. Looney (born July 23, 1948) is an American politician. Looney, a Democrat, has been a state senator from Connecticut since 1993. From 2003–2014, Looney served as Majority Leader of the Senate; in 2015 he became President Pro Tempore of the Senate.Looney, a resident of New Haven, represents the eastern half of the city as well as part of Hamden in the Connecticut Senate.