American record producer
According to Wikipedia,
Matt Bayles is an American record producer, mixer, engineer, and musician, based in Seattle, Washington. Bayles is known for his work with bands such as The Classic Crime, Isis, Soundgarden, Pearl Jam, Botch, Mastodon, Minus the Bear, Burnt by the Sun, and Norma Jean and as the keyboardist for American indie rock band, Minus the Bear.
Matt Bayles is affiliated with the following schools: