Isaac Kiprono Ruto (born on 4 March 1959) is a Kenyan politician. He is the Chama Cha Mashinani Party leader. He was elected the first governor of Bomet County in 2013 Kenyan general elections. He hails from Tumoi, Sigor in Chepalungu constituency and studied Political Science at the University of Nairobi. He is also a former chairman of the Council of Governors in Kenya.