Isaiah Collier is a Chicago/Brooklyn based multi-instrumentalist, composer, arranger, curator, activist, motivational speaker and educator. Collier is most known for his work as a saxophonist, in addition to him being a drummer as well. Collier's sound and approach is drawn from the influences of other master saxophnists such as John Coltrane, Roscoe Mitchell, Wayne Shorter, Ari Brown, and Gene Ammons.

Collier has shared he stage with many musicians both locally and internationally. With artists such as Chance the Rapper, Lewis Nash, Waddada Leo Smith III, Antonio Hart, Junius Paul, James Carter, Rene Marie, Carl Allen, Paul Rogers, Bennie Maupin, Rudy Van Gelder, Angel Bat Dawid, and many more.

In addition to Collier playing at venues and festivals from notable places such as The Jazz Showcase, Dizzy's Club Coca Cola, Lithuania Jazz Festival, The White House, Chicago Jazz Festival, New York Winter Jazz Festival, The Hyde Park Jazz Festivals, Sons D'Hiver Festival (Paris), The Logan Center, The Harris Theatre, and U.S. Embassy (Paraguay).

Collier is also a former fellow of the prestigious Dave Brubeck Institute Stockton, CA. In Addition to being one of the last musicians to work with the late Rudy Van Gelder. The project would later win a Downbeat award in 2016 after his passing.