Dan Koch is a musician, freelance composer, music producer, and podcaster. He hosts the podcasts "You Have Permission" and "Pretty Good Vibrations," and he previously co-hosted the podcasts "Depolarize!" and "Reconstruct." Previously, Koch was the lead guitarist, vocalist, and principal songwriter for the rock band Pacific Gold. He also formed the band Sherwood with Nate Henry in 2002, initially as the drummer, and then as lead guitarist.