Mr. Langat holds of a Bachelor of Science degree in from the University of Eastern Africa Baraton. He joined the defunct Kenya Posts and Telecommunications Corporation (KPTC) in 1985 and later the Postal Corporation of Kenya (PCK) where he served in various managerial positions. He is currently in private business and is also a Board Member of a privately-owned tea factory. He was appointed to the CA board on 24th February 2023 and was re-appointed to the board on 24th July 2026 for 3 years