Bishop Joseph Warren Walker, III, is the Senior Pastor of the historic Mt. Zion Baptist Church of Nashville, Tennessee. He was born in Shreveport, Louisiana, to Deacon Joseph and Mrs. Rosa Walker. Bishop Walker currently serves as the International Presiding Bishop in the Full Gospel Baptist Church Fellowship, International.

Bishop Walker received a Bachelor of Arts degree from Southern University in Baton Rouge, Louisiana, a Master of Divinity degree from Vanderbilt University, and a Doctor of Ministry degree from Princeton Theological Seminary. He holds two honorary Doctorates from Meharry Medical College and Southern University, respectively. He currently serves on the Board of Directors for Meharry Medical College and Citizens Savings Bank and serves as Chairman of the Board of Trustees for Tennessee State University.

In 1992, at the age of 24, Bishop Walker began his pastorate at Mt. Zion with 175 members. Presently, the ministry has grown to over 30,000 and continues to grow at a phenomenal rate with eight weekly services in three physical locations, which also includes a worldwide virtual church location.