He has worked wit Bobby McFerrin, Esperanza Spalding, Zakir Hussain, Bill Cosby, Danilo Perez, Julian Lage, Bob Moses, and Medeski, Martin and Wood.
As a scholar, Mantilla is associated with institutions such as Stanford University through the Stanford Jazz Workshop, and the Berklee College of Music through the Berklee Global Jazz Institute (BGJI), and gives workshops and lectures and runs rhythm/percussion oriented programs worldwide, through PERCUACTION's Global Rhythm Institute (GRI).