Concretamente con la teclista de Bleeding Through Marta Peterson. La pareja empezó a salir durante la gira del año pasado por Australia y Asia
In an October 2011 interview with Hardrock Haven, Demmel stated about MACHINE HEAD's Australian tour with BLEEDING THROUGH, "I met the girl of my dreams in Australia the last time we were down there. One of the greatest things that has ever happened to me was on that run. I have very special memories of Australia and knowing that I was in love for the first time when I was in Brisbane."
Phil has a five-year-old son, Jadon Philip Demmel, with "rock model" Jamie Jagger.
yo tmb me desmayaría sobre el escenario pensando en un pibon así! (qué malo!)
Que vivan los novios! Han tardado pero por fin este fin de semana pasado se casaron en Las Vegas