Who was Justin Bieber's band leader and guitar player during the "My World" tour in 2010-2011?

Explanation

Justin's first tour was called "My World Tour". It took place between 23 June 2010 and 19 October 2011. There was a huge amount of helpers involved in the tour, including Scooter Braun (manager), Jamaica Craft (choreographer) and Dan Kanter (band leader and guitarist).