Pastor Greg C. Birch was born in Shreveport, Louisiana on June 23, 1965. In 1977, he was baptized in the name of  Jesus Christ and received the gift of the Holy Ghost. He received early ministerial training at Truth Temple, Rock Island, Illinois. At the age of eighteen, he began preaching the gospel of  Jesus Christ Pastor Birch joined the United States Army in 1986. Along with serving his county,  this allowed him to minister at many churches around the world. His ecclesiastical service during this time includes Brotherhood, Usher Board, Choir Member, Musician, Security, Armor Bearer, and Pastor’s Aid.
In 2002, he began ministering at Greater Bethlehem Temple in Omaha, NE and served faithfully. In 2011 He continued serving faithfully at the now Greater Beth-el Temple in Omaha, NE. His former service includes Associate Pastor in addition to Adult Christian Education Department Head, Prayer and Information Technology Ministry, Convention and Council Youth Leader.
In 2006, after a 20-year military career, Pastor Birch retired from the U.S. Army achieving the rank of  Sergeant First Class.
In 2020, prior to relocating back home to Illinois. Pastor Birch answering the call of God, established Oneness Power Ministry, which by God’s grace, FIVE years later, is still growing internationally.