A former TEDx speaker for Wits University, Warren is the founder and former head and director of Drama for Life, a department of Applied Arts, Arts Therapies, and Arts Research dedicated to social transformation and healing at the Wits School of Arts, University of the Witwatersrand. He is a theatre director, senior lecturer, an HPCSA and NADT registered drama therapist, a Listening Hour Guide and Trainer, a Fulbright Alumni, and Salzburg Global Fellow.