Zechariah hails from Ada, Osun State, Nigeria. He was born to the Baptist family of late Dr. D. O. Olabisi and late Mrs. F.O. Olabisi on May 18, 1970. Zechariah gave his life to Jesus in August 1986. By August 1987, he received a call into the Gospel Ministry.
Zechariah is happily married to Bosede (who is a Registered Nurse/Midwife) on November 20, 1999. The marriage is blessed with three lovely daughters- Jesuye, Ewaoluwa, and Erioluwa-who went to be with the Lord in 2013 at the age of five.
Zechariah became the senior pastor of Christ Life Baptist Church, Lagos, Nigeria in August 1997. He served as the Senior Pastor for seventeen years before coming to the United States for further study in August 2014. Zechariah served in the following capacities in Nigeria Baptist Convention: Moderator of Maranatha Baptist Association (2010-2014); Prayer Coordinator for Lagos West Baptist Conference/Convention (2012-2014); Prayer Committee Member of Night of Wonder, a prayer ministry of Nigeria Baptist Convention (2012-2014); President of David Brainerd School of Intercession, the prayer ministry of Christ Life Baptist Church (1998-2014); and President of Creative Faith World Outreach Ministries, organizing Gospel Crusades (2000-2014). Zechariah served in leadership positions outside the Baptist denomination in Nigeria. He is currently the pastoral care minister, Gambrell Street Baptist Church and oversee the outreach ministry to the Homeless.
Zechariah attended the following schools: Federal College of Education (Special), Oyo, Nigeria, (1989) with NCE in Christian Religious Study/Education for the Visually Handicapped (the Blind). The Nigerian Baptist Theological Seminary, Ogbomosho, Nigeria (with certificate from Southern Baptist Theological Seminary, Louisville, Kentucky, USA), August (1993-1997) with B.Th. and from University of Ibadan with BA, Religious Study (1993-1997). Lagos State University, Lagos, Nigeria, (2000/2001) with MA in Church History. Southwestern Baptist Theological Seminary (SWBTS), Fort Worth, Texas with MA in Missions, (2016). Currently doing his Ph.D. at SWBTS with Major in Missions and Minor in Church Vitalization.