 He was elected to represent the Funyula Constituency in the National Assembly of Kenya since the 2007 Kenyan parliamentary election and was the minister for the Local Government from 2010-2013.He was a member of Parliament for Funyula Constituency until August 2017 when he contested for gubernatorial seat for Busia County against his rival Sospeter Ojamoong but failed.Otuoma was born on 15 September 1966.