Leadership and Staff

Brian Slattery, MA

Chief Executive Officer

Brian has been Chief Executive Officer of Marin Treatment Center since 1984. He has managed a variety of health and human service non-profits since getting his master’s degree in Counseling from San Francisco State University.

Brian has taken on leadership positions with issues of concern to disenfranchised groups including people living with HIV/AIDS, those infected with hepatitis C and people seeking to heal from their addictions using medication assisted treatments and harm reduction services.

In the 1980’s, Brian served as Chair of the Marin AIDS Commission for four years. He helped form the Marin Hepatitis C Task Force and the Marin AIDS Task Force. Today, he continues to serve on the Marin Juvenile Justice Coordinating Council and is member of the Rx Safe Marin community task force.

As an expert witness, Brian has testified before the US Congressional AIDS Budget Task Force, US Senate Criminal Justice Subcommittee on Juvenile Justice and on numerous occasions before the California Assembly and Senate Criminal Justice Committee advocating for juvenile justice law reforms. Most recently, he has worked on the planning and implementation of the Affordable Care Act behavioral health service system in Marin County.

Jonathan Fong, MBA

Chief Operations Officer

Jonathan Fong has been with Marin Treatment Center since 2012 and has over 20 years of experience developing and managing non-profit and for-profit healthcare agencies, and owns his own health agency.  Jonathan has spent his professional career working in substance dependence and mental health industries and has particular expertise in strategic leadership, healthcare information systems, performance and quality management and business analytics.

Jonathan is passionate about developing and managing high quality and affordable healthcare agencies and deeply believes that mental health and substance use treatment services should be available to everyone, despite the individual’s economic situation. His vision is to develop Marin Treatment Center into a full service behavioral health provider that can offer a spectrum of mental health and substance use treatment services to low and middle income Marin County residents.

Since his arrival Jonathan has introduced electronic health systems, broadened Marin Treatment Center’s services by adding drug free programs and mental health programs, and has negotiated private health insurance contracts with insurers such as Kaiser, Anthem Blue Cross, Aetna, and Veterans Administration. These initiatives are giving local residents a much needed alternative to Marin County’s high cost health providers.

Jonathan earned his undergraduate degree in Organizational Behavior from University of San Francisco, and has a Master’s in Business Administration (MBA), with an emphasis in strategic leadership from Dominican University of California.

Russell Sandberg, MD

Medical Director

Russell Sandberg has been Medical Director of Marin Treatment Center since 1997.  Dr. Sandberg received his undergraduate degree from University of Chicago, and his medical degree specializing in Cardiology from University of Chicago School of Medicine. He received a master of science in Biomedical Engineering from Drexel University, where he was a Special Fellow at the National Heart Institute.

Dr. Sandberg’s medical career has included work at the University of Arkansas, Little Rock Veterans Administration Hospital, the University of Missouri School of Medicine, University of Illinois School of Medicine, San Francisco Department of Public Health, and many years in private practice in Internal Medicine and Cardiology.

He has also worked for many years in the field of addiction medicine including: Consultant in Substance Abuse to the Veterans Administration Hospital in Danville, Illinois; Medical Director, Outpatient Chemical Dependency Program, Milwaukee Psychiatric Hospital, Wauwatosa, Wisconsin; and Medical Director at Redwood Empire Addictions Program, Santa Rosa, California.

Sandy Kameron, MA, CADC-I

Senior Counselor

Sandy came to Marin Treatment Center in 1991 and holds a Masters Degree in Counseling Psychology from Dominican University. She facilitated MTCʼs Parent Addiction Counseling and Education program (P.A.C.E.) from 1992-94 and has a particular interest in helping addicted parents (who are often second and third-generation substance abusers) reach their fullest potential in emotional health and sobriety.

Active on the County level, she has served on the Marin Perinatal Council, and has been invited to present at trainings for the Court-Appointed Special Advocates (C.A.S.A.), Bay Area Community Resources (B.A.C.R.) and Marin General Hospital. Additionally, she served as Marin Treatment Center’s liaison to the Marin Health and Human Services Systems Integration Steering Committee and participated in the drafting of the Quality Improvement Charter for the Implementation of CCISC (Comprehensive, Continuous Integrated System of Care) in Marin County.

Cherie Obranovich, PsyD

Clinical Psychologist

Dr. Cherie Obranovich is a Licensed Psychologist with a doctorate degree in Clinical Psychology from the California School of Professional Psychology at Alliant International University, Los Angeles. Upon completing her postdoctoral fellowship at Marin Treatment Center, Dr. Obranovich delightfully joined the staff at MTC in March 2015. Dr. Obranovich has worked in a variety of settings, providing both outpatient and inpatient psychotherapy for a broad range of clinical concerns.

As a counselor, Dr. Obranovich works with clients to build a stronger sense of self by increasing self-awareness and strengthening effective coping skills.  Her orientation is tailored to the unique needs of each individual where she collaborates with clients to develop personalized treatment plans. In her clinical work, Dr. Obranovich is committed to forming a meaningful relationship with each client in a supportive and confidential environment to manage issues of concern.  In addition, she encourages clients to utilize their unique personal strengths to achieve a greater sense of happiness, health, and balance in their lives.  Her particular areas of interest include depression, anxiety, substance use, eating disorders, body image concerns, relationship issues, and personal growth.


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San Rafael, CA 94901-2021



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