Jon grew up in Pennsylvania where his parents run a restaurant. He studied journalism at New York University. Jon met his wife and co star, Kelley Menighan, whilst working on As The World Turns and they married in 1996. They have two children Sophie born on 23rd December 1998 and Spencer born on 31st January 2002.
Jon made his TV debut on the ABC daytime drama One Life To Live where he played Brody Price. After leaving the show Jon created the role of Holden Snyder on As The World Turns in 1985. Jon played the part for three years before leaving but returned in 1990 and stayed again until 1995. Jon returned to the show again in 1996 and is still currently playing the part. Jon has also appeared on the TV movie Wounded Heart and has appeared on several episodes of Beverly Hills 90210.
Jon has appeared on stage in Shakespheare's As You Like It and also studied Shakespheare as the London Academy of Music, Drama and Art.