Bishop Dr. Samuel Mbithi Kathitta is a dedicated minister of the Word of God and former Presiding Bishop (General Overseer) of the all Full Gospel Churches of Kenya (F.G.C.K). In connection to that, he has a vast experience in church administration, where he served as the General Secretary of the FGCK for 12 years and  G.O for 7  years. As a result, he has travelled to several continent to preach the Gospel of Christ Jesus

The strong believer and crusader of Bible was born in 1952 in Machakos County. A teacher by profession, before becoming a full time minister he taught in several primary schools in Ukambani region. He started full time ministry in the Year 1988 at Mwingi town where he  pioneered  Full gospel churches of Kenya (FGCK) in that region. Besides that,  he planted over 100 branches of the ministry in Kitui county.