Hon. Moses Cheboi was born on the 4th day of January 1970 in Baringo, in 1976 young Cheboi joined Olenguruone DEB Primary School and then in 1986 proceeded to Kabarnet High School, thereafter Moi High School Kabarak in 1987 where he completed his Secondary Education. He holds a Bachelor of Law Degree (LLB) from the University of Nairobi 1989-1992 and a Post Graduate Diploma from the Kenya School of Law1993-1994.

In 1995-1996 Hon. Cheboi started his career as a Legal Officer at the Municipal Council of Nakuru and later established his own Law Firm, Cheboi & Company Advocates.

In 2002, he was first elected to Parliament (2002 – 2007) to represent the people of the Larger Kuresoi Constituency, where he served as a Deputy Whip of the Official Opposition (KANU), member administration of Justice and Legal Affairs Committee, Public Investments Committee (PIC), Secretary Parliamentarian for Global Action – PGA Kenya Branch, a member of Bunge Football Club and a member of Bunge Marathon Team.

In 2009-2012, he served as Director, Nyayo Tea Zone Development Corporation and in 2010, he was a member for Centre for Multi-Party Democracy (CMD) steering committee where he chaired, the Resource Mobilization Team. He attended courses for Directors and also on Strategic Leadership and change management.

In 2013, Hon. Cheboi contested in Kuresoi North Constituency and won under KANU Party. During 2013-2017, He served in the Speakers Panel where his responsibilities included presiding the House and other legislative roles, a member of the Justice and Legal Affairs Committee. He was awarded Chief of Burning Spear (CBS) in 2017.

In 2017, Hon. Cheboi was re-elected for a third term as a Member of Parliament for Kuresoi North Constituency and was elected as Deputy Speaker for the National Assembly unopposed.

Hon. Cheboi is married with three children.