Douglas Shirley attended the Conservatory of Recording Arts and Sciences in Phoenix, Arizona, where he learned everything from recording songs on analog tape to working sound fx in post production of full-length features. After graduating, he attended an internship at Paragon Studios in Nashville, Tennessee working on broadcast, film, and music production including films like Mafia, Sibling, and Homerun.

Since completing the program, he has been freelancing with a fellow graduate at JD Audio, and mastering audio with Code Red Productions for their debut film Mine to Keep.