Job Nyasimi Momanyi was born on April 21, 1979 in Kiabora village Nyakenimo sub-location, Bokeira location, North Mugirango Borabu constituency in Nyamira County.
The father of one is a law graduate from Moi University - Eldoret, and holds a postgraduate diploma from the Kenya School of Law.
Momanyi is currently pursuing a Master of Business Administration in Strategic Management at the University of Nairobi.
Momanyi is currently a legal practitioner and managing partner at Nchogu, Omwanza & Nyasimi Advocates. He has been a consultant and involved in various activities with a number of international and local NGOs in Kenya and Somalia in different capacities.
He has travelled in some of the Eastern Africa (the horn of Africa) countries to work or represent these organisations in various conferences.
He has also worked for the Kenya National Commission on Human Rights, now a constitutional commission, the Labour Rights Foundation Trust, Oxfam Novib, the Independent Medical Legal Unit and Litigation Fund Against Torture.
He also hosts the “Ekeiyano” programme at Minto 101.7 FM a Kisii radio station run by Kenya Broadcasting Corporation, which offers free civic education on various contemporary issues every Sunday from 6 - 7pm.
He is a notary public, Commissioner for Oaths and an Advocate of the High Court.
Momanyi vied for the North Mugirango Borabu parliamentary seat in 2007 but lost to Wilfred Moriasi Ombui who was elected on a Kanu ticket.
In 2013, he vied for the in Nyamira County governorship on the Republican Liberty Party which was won by the incumbent, Governor John Nyagarama.
He has also declared his gubernatorial aspiration for the top county seat in the 2017 general election.