John DeGroff
John DeGroff is the original bass player for the Christian rock band Petra. He currently plays for the band GHF which is comprised of other original members from Petra. DeGroff has extensive experience as a freelance music journalist and newspaper reporter as well as an on-line music reviewer. He is a member of the Gospel Music Hall of Fame and lives in Warsaw, Indiana where he is employed as a care giver for mentally challenged adults.
