Derek Sherinian is a keyboardist based in Los Angeles, California. His most notable achievements are as a member of the bands Alice Cooper, KISS and Dream Theater. Sherinian has been called the "King of the Keys" and the "Caligula of keyboards" due to his performing style. His influences include Jan Hammer (Mahavishnu Orchestra), Keith Emerson (Emerson, Lake & Palmer and The Nice), Rick Wakeman (Yes), Elton John, and a variety of guitarists. Sherinian endorses various equipment, including Korg and Clavia keyboards.