Frank O’Sullivan is a professional guitarist, composer, and educator based in Montreal.  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, and Sheryl Bailey. 

Shortly after moving to Montreal, Frank became a first call musician for the RnB/Jazz/HipHop scenes when he joined the Kalmunity Vibe Collective. Kalmunity is Canada’s largest and longest running collective of afrocentric music, performing twice a week for over fifteen years. Maintaining a prolific and diverse career as an instrumentalist, he has performed and recorded with artists such as Malika Tirolien, Dominique Fils-Aimé, Planet GZA, Busty and The Bass, and Kallitechnis, among many others, touring all over North and South America, Europe, Africa, and Asia. 

Since 2020 Frank has released three full length albums as well as three EPs of original compositions. As collaborator, he co-wrote the song "Gifted" by Kallitechnis, which was nominated for Best Contemporary RnB Recording at the 2022 Junos.