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 Operating Officer

Jonathan Fong has been employed with Marin Treatment Center since 2012 and has over 20 years of experience developing and managing non-profit, and for-profit healthcare agencies and programs. Jonathan specializes in substance dependence and mental health programs and has particular expertise in strategic leaderships, health information systems, performance and quality management and program development.

Jonathan is focused on developing and managing high quality and affordable healthcare agencies and deeply believes that mental health and substance use treatment services needs to be available to everyone, especially those who are underserved or who cannot afford treatment services. 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 anyone who suffers from substance use and/or mental health disorders.

Jonathan earned his undergraduate degree in Organization Behavior from University of San Francisco and Master’s in Business Administration (MBA), with and emphasis in Strategic Leaderships from Dominican University of California.


Medical Director

Marin Treatment Center recruited Dr. Elyse Eisenberg in 2016. She is a graduate of Michigan State University (Psychology), San Francisco State University (Molecular and Cellular Biology), and the University of California San Francisco School of Medicine (Medical Doctor). She trained in Internal Medicine through Kaiser, Stanford, and UCSF hospitals. She began specializing in Addiction Medicine in 1994 at Triad Methadone Clinic in Santa Cruz County. She joined founder Dr. Alex Stalcup, M.D. (co-founder of the Haight Ashbury Free Clinic) and co-founder Executive Director Dr. Gantt Galloway, Pharm. D. at New Leaf Treatment Center, Lafayette, CA https://nltc.com/ in 2001. There in addition to treating patients, she participated in research including UCLA Methamphetamine studies, Women and Alcohol (with Dr. Parmis Rad) studies, and later became the NLTC Associate Medical Director. She also has worked in research for the height-Ashbury Free Clinic, San Francisco, and has served on Data Safety and Monitoring Boards for a number of clinical studies in Addiction Medicine by the California Pacific Medical Center Research Institute in its Addiction & Pharmacology Research Laboratory. Together with Dr, Galloway she wrote the chapter on Addiction to Anabolic Androgenic Steroids in a textbook on addiction Medicine. She also participated in the writing of the SAMHSA TIP publication for treating Alcoholism with Naltrexone. In addition to Addiction Medicine, in her private practice, Dr. Eisenberg also has cared for Workers Compensation patients, Transgender patients, and the wide spectrum of general medicine patients.

“I love working at Marin Treatment Center. Our patients benefit from the teamwork, education, experience and compassion of our talented staff of Counselors, Nurses, Physicians and Administrators. We all seek to restore our patients to a stable, healthy, productive personal and family life, free from the destructive control, lifestyles, ill health and death caused by misuse of opioids.” Dr. Eisenberg heads our Medical Division, works directly with our patients and staff, visiting UCSF Nurse Practitioner students, leads Recovery Groups, and provides ongoing medical education at MTC and other Marin County agencies.


Ryoko Moriguchi, MFT

Clinical Director

Ryoko joined Marin Treatment Center in 2018. Prior to being appointed as Clinical Director of MTC, she has worked in various behavioral health programs serving low-income and underserved communities in the San Francisco Bay Area since 2000. Her areas of expertise include assessment and treatment for co-occurring conditions, disability evaluation and advocacy, and trauma-informed care.

She went through a vigorous training and certification process for Multidimensional Family Therapy (MDFT) by the University of Miami from 2008 to 2011, and she was certified as a Clinical Supervisor of MDFT in 2011.

In 2015, Ryoko completed the 7-month training program of Clinical Supervision offered by the Santa Clara County Behavioral Health Department. As a clinical manager, she has implemented evidence-based practices, including Trauma-focused CBT, Dialectical Behavioral Therapy, Motivational Interviewing, and Seeking Safety.

She earned a BA in Journalism from Doshisha University, Kyoto, Japan before coming to the USA. After years of working and learning English as an immigrant, she earned an MA in Substance Abuse Counseling from Northeast Louisiana University; it was a lucky chance that she chose addiction counseling as her major. She finds great satisfaction in working in a challenging field that continues to evolve, and she continues to learn from both clients and her devoted and passionate colleagues in the field.

Ryoko is a member of California Association of Marriage and Family Therapists and International Association of EMDR (EMDRia).

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.

Danielle Tocher, LMFT

Danielle has been providing counseling services to clients since earning her Bachelor’s degree from Cal Poly SLO in 2010. She went on to graduate with honors from San Francisco State University in 2017 with her Master’s in Counseling. Danielle is a Licensed Marriage and Family Therapist (#114138) with a breadth of experience; she has worked with diverse clientele, from adult men on parole to youth in foster care and beyond. She has been with MTC since 2019. In her off hours, Danielle enjoys hiking, yoga, cooking, and spending time with her family. She had a baby in January 2021 and considers motherhood among her greatest accomplishments.

DR. Parmis Rad, M.D.

Clinic Physician

Dr. Parmis Rad completed her undergraduate education at the University of Arizona with a degree in Molecular and Cellular Biology. She went on to study medicine at the University of Arizona College of Medicine, located in Tucson, Arizona and then completed her training in Internal Medicine with Banner Good Samaritan and Veterans Administration Medical Centers in Phoenix Arizona. Dr. Rad is board-certified in internal medicine and has received additional training for treatment of addictive disorders with evidence-based medications. She is licensed to prescribe buprenorphine and methadone for the treatment of opioid use disorder and has had extensive experience treating patient with substance use and related disorders.

Dr. Rad joined Marin Treatment Center in early 2021. She is passionate about providing whole person evidence-based care to patients with substance use disorders. She believes patients deserve to receive individualized treatment in a safe and accepting environment that will empower them to heal and improve their health outcomes and quality of life.

When She is not working, she enjoys travel, hiking, exploring the food and events in the Bay Area, and spending time with her family.



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San Rafael, CA 94901-2021



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