Mark is a licensed clinical social worker as well as a DBT- Linehan Board of Certification, Certified DBT Clinician. Mark completed Behavioral Tech’s Intensive DBT training in 2006 and the Advanced Intensive DBT training (taught by Marsha Linehan, Ph.D. and Shari Manning, Ph.D.) in 2008. In addition, he has been trained in Prolonged Exposure Therapy, an empirically-validated treatment for trauma.
Mark was introduced to DBT in the mid 1990’s and began applying the skills in his position as clinical director at the largest homeless shelter in San Francisco. From 2000 to 2006, Mark worked at the Partial Hospitalization Program at University of California, San Francisco's Langley Porter Psychiatric Institute (LPPI). At LPPI, Mark applied DBT with individual patients and supported their implementation in group settings. Mark resigned from LPPI in 2006 to co-found the San Francisco DBT Center where he provides individual psychotherapy, group psychotherapy, and co-facilitates several DBT skills training groups. He also provides DBT training to groups of clinicians throughout the Bay Area.