David Nessim Lawrence

David N. Lawrence b. 1960 is an American musical composer known primarily for his work on television and movie scores. In 2002, he won an ASCAP award for his work on American Pie 2. He also composed music for the Disney Channel Original Movies High School Musical, The Cheetah Girls 2, High School Musical 2, High School Musical 3, Jericho TV Series by CBS 2006 and The Cheetah Girls One World. He also composed additional music for three Sesame Street videos like Elmo Says BOO, Big Bird Gets Lost, and Lets Eat Funny Food Songs, where he was credited as David Lawrence.

Source: Wikipedia