Our Therapists

Wendy Douglas


Wendy Douglas, LCSW, MSPH founded San Fernando Valley DBT in 2012 and has been practicing DBT for more than 15 years. She was intensively trained in DBT at Harbor UCLA in 2006 while working at L.A. County's Edelman Westside Mental Health Clinic. She completed her Advanced DBT Training under Shari Manning and Kate Comtois in 2017. She holds a Master of Social Work from UCLA and a Master of Science in Public Health from Tulane University in New Orleans. She currently has private practice locations in Sherman Oaks and Woodland Hills where she specializes in seeing teens and adults with emotion regulation disorders. Wendy is also a certified Anger Management Therapist and is also trained in Radically Open DBT (RODBT). She has also been trained in DBT for Families by Alec Miller. She currently sits on a DBT Team with a number of other experienced therapists and offers DBT trainings for therapists all over L.A.

Chelsea Drumheller


Chelsea Drumheller, LCSW has been practicing DBT since she relocated to Los Angeles from Washington D.C. in 2014. She holds a Master of Social Work from USC and was initially trained in DBT by Harbor UCLA in 2017. She received additional DBT training with an Adolescent and Family Emphasis with Dr. Alec Miller. In addition, Chelsea is trained and certified in Trauma Focused-Cognitive Behavioral Therapy (TF-CBT) and Triple P (Positive Parenting Program). She is also trained in Radically Open (RO) DBT with Thomas Lynch. Cheslea also worked at the Los Angeles County Department of Mental Health as a bilingual Psychiatric Social Worker providing comprehensive outpatient and school-based mental health services to a diverse population of children, adolescents, TAY, and their families. As part of San Fernando Valley DBT, Chelsea provides comprehensive DBT to adolescents, young adults, and adults experiencing emotion dysregulation in Sherman Oaks and via telehealth.

Chereta Mays


Chereta Mays, LCSW is a Licensed Clinical Social Worker and received a Masters in Social Work from the University of Southern California in 2010. She was trained in DBT at Harbor UCLA and previously co-facilitated DBT groups at the Edelman Westside Mental Health Clinic at the L.A. County Department of Mental Health. She is also trained in Cognitive Behavioral Therapy, Problem Solving Therapy, and Seeking Safety. Since 2016, she has specialized in crisis intervention and has experience providing psychological first-aid during the Malibu fires, the after-math of active shooter incidents, and many other high-conflict situations. Chereta frequently provides lectures at local universities and colleges, educating students about mental health and stigma.

Diane DeMartino

As seen on a Sussex Directories Inc site

Diane DeMartino, LCSW is a consultant for San Fernando Valley DBT. She received her Comprehensive DBT Training in 2015 under Dr. Lynn McFarr, Director of the Cognitive Behavioral/Dialectical Behavior Therapy Clinic at Harbor UCLA (a Behavioral Tech approved training site) where she practiced DBT with adults for four years. She holds a Master of Social Work from the University of Southern California and has been certified by the Academy of Cognitive Therapy. She is currently the Director of DBT Programs at the Camden Center in West Los Angeles where she specializes in treating patients with emotion regulation disorders and dual diagnoses. Prior to embarking on her career as a psychotherapist, Diane was a broadcast journalist and television producer at NBC News and other broadcast outlets where she honed her interviewing skills and developed her passion for working with people.

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