John Ferenzik, American keyboard player, guitarist, and composer
John Ferenzik (born John Michael Ferencsik 13 October 1955 in Philadelphia, Pennsylvania) is an American musician, keyboardist, guitarist and composer. He has performed most notably with Todd Rundgren (on keyboards, vocals and electric guitar), and also Jefferson Starship (on keyboards, electric guitar, and bass guitar) and Beru Revue (on keyboards and backing vocals).