Truitt's Biblical education was received at SIBI and Sunset School of Missions. Additional studies were done at LCU and he is a graduate of Abilene Christian University. Truitt's preaching ministry spans more than 4 decades and includes local pulpit ministry in Texas and Arizona in addition to mission works in India, West Africa and Eastern Europe. Truitt has preached in 25 foreign nations and 42 states in the USA. In 1989 Truitt became a member of the Faculty of SIBI in Lubbock, Texas and since 1993 has served as President. Truitt is married to Sandra Kay (Troy) and they have four children and eleven grandchildren who are a joy to their lives.