He received his Bachelors of Science degree from Florida State University and earned his law degree from the University of Florida. Mr. Dewrell was admitted to the Florida Bar in 1965. He served from August 1965 to July 1968 as a Judge Advocate in the USAF. He is admitted to practice before all Florida courts, the U.S. District Court Northern District of Florida, U.S. Court of Appeals 11th Circuit, and the U.S. Supreme Court. He is married to Carol Adams Dewrell and has four children, three grandchildren and one great grandchild.