罗伯·西蒙森，Rob Simonsen (born March 11, 1978) is an American film composer located in Los Angeles. Rob grew up in a family of musicians. He learned to play the piano by ear early in life. His first musical interpretations were inspired by film scores, modern orchestral works, electronic music, and jazz. He would later study piano performance and composition while being enrolled at Southern Oregon University, the University of Oregon, and Portland State University. Robs first break into film composing was through the independent feature Westender in 2003. Since then he has teamed up with Mychael Danna to provide additional music and arrangements on Surfs Up, Fracture, Moneyball and the Oscar-winning, Life of Pi. The two have co-composed the film (500) Days of Summer, and the television series, Blue Bloods and Dollhouse, created by Joss Whedon. His most recent work includes the Sundance Film Festival features The Way, Way Back and The Spectacular Now. In 2009, he opened his own studio, while The Hollywood Reporter named him One of the 15 Composers Primed to Take Their Place on the A List. Robs music can be heard in nearly all iPhone 5 ads - he appears as the conductor in the commercials as well. See List of music used by Apple Inc.