A veteran of the Chicago jazz scene, Garrison attended Mankato State University in his home state, Minnesota, before honing his skills in the United States Air Force Band. In the military, he was assigned musical director of a select band deployed to the Middle East during operation Desert Storm. After leaving the Air Force, Garrison completed and became a member of DePaul University’s faculty–where he currently teaches. Since 1995, he has been a member of Concordia University Chicago’s faculty, teaching trumpet, jazz improvisation and conducting the Jazz Band.
Garrison’s recent performances include the Chicago Jazz Festival, the Chicago Blues Festival, and appearances with the Munich Philharmonic Orchestra Brass and the Ravinia Festival Orchestra. Among Garrison’s ensemble memberships are the Chicago Jazz Orchestra, Rob Partori’s Jazz Tech Big Band, the 911 Mambo Orchestra and the Lt. Dan Band featuring actor Gary Sinise.
He has also appeared with jazz stalwarts