He has been a bishop since 1996, serving as ordinary in Kericho from 1996 to 2003, Homa Bay from 2003 to 2018, and Archbishop of the Metropolitan Archdiocese of Kisumu from 2019 to 2021.

[2] Returning then to his role as bishop's secretary, he also worked as chaplain of Moi University and was a visiting lecturer at St. Matthias Mulumba Major Seminary.

[1] Pope John Paul II appointed him the first bishop of the newly erected Roman Catholic Diocese of Kericho on 6 December 1995.

[3] He received his episcopal consecration in Kericho on 3 February 1996[1] from Cardinal Jozef Tomko, prefect of the Congregation for the Evangelization of Peoples.

[2] On 20 February 2002, he was appointed Apostolic Administrator of the Roman Catholic Diocese of Homa Bay, upon the resignation of Bishop Linus Okok Okwach.