Derek Sherinian

Derek Sherinian is an American keyboardist who has toured and recorded for Alice Cooper, Billy Idol, Yngwie Malmsteen, Kiss, and Joe Bonamassa. He was also a member of Dream Theater from 199499, is the founder of Planet X and also one of the founding members of Black Country Communion. He has released seven solo albums that have featured a variety of prominent guest musicians, including guitarists Slash, Yngwie Malmsteen, Allan Holdsworth, Steve Lukather, Joe Bonamassa, Billy Sheehan, Zakk Wylde and Al Di Meola.

Derek Sherinian was born in Laguna Beach, California. He began taking piano lessons at age five in Santa Cruz, California. After his junior year at Soquel High School, he received a scholarship to the Berklee College of Music in Boston where he was the roommate of future Megadeth guitarist and TransSiberian Orchestra musical director Al Pitrelli. He has since studied with other keyboardists, including Mitchel Forman, T Lavitz, Russell Ferrante and Alex Alessandroni.

Source: Wikipedia