Dave is the co-founder of Trauma Center Trauma Sensitive Yoga (TCTSY) and the co-founder and co-director of the Center for Trauma and Embodiment at the Justice Resource Institute in Massachusetts. Dave has provided training internationally since 2006 and has developed, conducted, and supervised TCTSY groups for rape crisis centers, domestic violence programs, residential programs for youth, active duty military personnel, survivors of terrorism, and Veterans Administration centers and clinics and more. He is the author or co-author of numerous papers on yoga and trauma; the co-author of Overcoming Trauma through Yoga; and the author of, Trauma-Sensitive Yoga in Therapy.