Pastor Grant Knowles and his wife, Kathleen were both born in the northwest and moved to the Tri-Cities in the 1960’s. They graduated from Kennewick High School in 1972 and 1976.
They were married in 1976 and have two daughters: Shandra & Autumn. Shandra lives in Kennewick. Autumn who is married to Bryan Long (Church Music Director) lives in Kennewick where they are raising their three children Devin, Danica, & Cooper.
Pastor Knowles has been the pastor of the Richland United Pentecostal Church (Tower of Pentecost) since 1998.
The church building on Aaron Drive was built in May 2006, with the fellowship hall, kitchen and classrooms being completed three years later.
Pastor Knowles retired from full time secular employment (over 34 years as an automotive service manager) in 2007. Kathleen retired from the City of Kennewick after over 31 years in 2006. Now they both dedicate their time to the Lord and Tower of Pentecost.