J.P. is an alumnus of Northwestern University, L.A. Theatresports, ACME Comedy Theater, The Groundlings School, and I.O. West. In 1999, he received the L.A. Ovation and Backstage West Garland Awards for his work as a cannibalistic stoner in the Los Angeles stage version of _Reefer Madness: The Movie Musical (2005) (TV)_ . Younger fans will note him for his recurring dual role in Phil of the Future where he played both Curtis the caveman and Mr. Hackett, the effeminate vice principal of H.G. Wells Junior/Senior High. Fans of ER will recognize him as this season's new prick surgeon, Dustin Crenshaw. In addition to his film and television credits, J.P. has appeared in over 70 commercials including recent campaigns for Got Milk? and Fruit of the Loom.
J.P. has appeared as a contestant on several game shows including teen week of Wheel of Fortune, Family Feud, and Jeopardy!. Is the green grapes on the "Fruit of the Loom" group.