Frank O’Sullivan is a professional guitarist, composer, and teacher based in Montreal, Canada.  Originally from Ottawa, Ontario, Frank relocated to Montreal after graduating from the Berklee College of Music in 2012, where he majored in performance and studied with Tomo Fujita, Tim Miller, Sheryl Bailey, Bruce Saunders, and Jon Damian. 

In Montreal, Frank established himself as a first call musician for the Soul/RnB/Funk/Jazz/HipHop scene, after joining the Kalmunity Vibe Collective. Kalmunity is Canada’s largest and longest running collective of afrocentric music, performing twice a week for over a decade. He went on to become a founding member of Urban Science, hosting the hiphop jam session LeCypher every Thursday night since 2014. Maintaining a prolific career as a sideman, Frank has performed and recorded with bands and artists such as Kallitechnis, Samito, Nomadic Massive, Vox Sambou, among many others, touring all over North America, Latin America, Europe, Africa, and Asia. 

Frank's work as a composer and bandleader can be heard in his debut album "MFQ" as well as his sophomore release, "Something's Weird", available on all streaming platforms.  His third full length album is scheduled for release in Spring 2022.