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Michael J. Brenner

Managing Director of Los Angeles County

Michael Brenner began his career at Walden House in 2000 and currently oversees the Los Angeles men’s residential program, the FOTEP Program for women and children, and the Outpatient Program. Michael attended Cyprus College, where he worked on the advisory board, and is certified drug and alcohol counselor through California Alcohol And Drug Educators (CAADE/ACCBC) since 2002 and is CATC certified. He is an advocate for the disenfranchised, a motivational speaker, alumni, and proud father of Puppers.

Razelle Buenavista

Managing Director of Clinical Services

Razelle oversees the overall operations of Santa Clara County and East Palo Alto programs.

Since 1998, Razelle has held various roles of increasing responsibility with Asian American Recovery Services.  For almost two decades, she has served the Asian & Pacific Islander and Latino communities as a social worker and youth advocate.  Razelle is an active member of the Santa Clara County Behavioral Health Contractors Association and is on the Silicon Valley Council for Nonprofit Leadership Team.  She has been recognized for her work with gender and ethnic specific programming, and the mentoring of the next generation of social workers.  Razelle attended San Jose State University and College of San Mateo where she studied Social Work and Addiction Counseling.

Dr. Andrew Desruisseau

Medical Director, Infectious Diseases Physician

Dr. Andrew Desruisseau has a lifelong commitment to the underserved, both at home and abroad.  He graduated from James Madison University before joining both Volunteers in Service to American (VISTA) and the US Peace Corps.  He received his medical degree from the University of Kansas, followed by a fellowship in Infectious Diseases at Vanderbilt University.  He has worked in Cameroon, Uganda, South Africa, and Haiti.

He practices medicine in the Tenderloin where he specializes in HIV and Hepatitis C care.  He recently returned from working in Sierra Leone where he worked in the most recent Ebola outbreak.

Cassandra Eslami

Managing Director of Mental Health Services

Cassandra Eslami leads mental health administration and clinical programming in San Francisco. Cassandra is a Licensed Marriage and Family Therapist, gaining her Masters of Science in Counseling from San Francisco State University. She has designed, implemented and directed a number of programs at HealthRIGHT 360 including family services and criminal justice programs for adults and youth. She has been instrumental in assisting the agency implement Drug Medi-Cal standards and retool clinical processes according to the American Society of Addiction Medicine (ASAM). She leads efforts to strengthen the integration of mental health services with substance use disorder treatment and primary care and is dedicated to quality improvement and workforce development for mental health operations. 

Dr. Dawn Harbatkin

Medical Director

Dr. Dawn Harbatkin has been the Medical Director at Lyon-Martin Health Services since January 2006, serving as the Executive Director from 2006-2008 and again from 2012-2014. Dawn completed a fellowship through the CHCF Healthcare Leadership Program.  Her primary interest is improving access to comprehensive, quality healthcare, particularly for the LBT community.  Prior to her work at Lyon-Martin, she spent 5 years as Medical Director of Callen-Lorde Community Health Center in New York City.  Dr. Harbatkin received her undergraduate training from Drew University in Madison, NJ and her medical degree from Columbia University College of Physicians and Surgeons in NYC. Following school, she completed a social internal medicine residency and chief residency at the Residency Program in Social Medicine at Montefiore Medical Center.

Charmaine Hoggatt

Managing Director of Criminal Justice Programs

Charmaine Hoggatt oversees HealthRIGHT 360's Substance Abuse Treatment Programs at various prisons throughout California.

She joined Walden House in 1999 and has spent the last 16 years empowering change among both men and women within the Criminal Justice system. Prior to working with Walden House she was a Child Care Worker working with adolescent females within a group home setting. Mrs. Hoggatt has a B.A. in Social Work from California State University Fresno and is also certified as a Registered Addictions Specialist.

Nicole Ibarra

Managing Director for San Mateo County Programs

Nicole Ibarra, a California licensed Marriage and Family Therapist, is the Managing Director for San Mateo County Programs for HealthRIGHT 360. Nicole is responsible for overseeing the design, development, implementation, and management for all outpatient and residential programs in San Mateo County.

She has held several positions of increasing authority since joining the staff of HR 360 (then Walden House) in 2007. Mrs. Ibarra started with the agency as a frontline Care Coordinator, spent time as a therapist intern and then began working as a full-fledged therapist for a number of years. Ms. Ibarra then held the position of the Family Services Manager and Clinical Lead Therapist, at the 214 residential facility for two years, prior to becoming a Managing Director in early 2015.

Nicole earned a Master’s Degree in the Educational Psychology Department from the University of San Francisco, and has a B.A. in Sociology from California State Northridge.

Dr. Ako Jacintho

Director of Addiction Medicine

Dr. Ako Jacintho joined HealthRight 360 after 11 years of private practice in Berkeley. He is a physician licensed in the specialty of Family Medicine, and he completed his medical residency training at the UCSF/SFGH Family Medicine Residency Program in San Francisco.

He originates from the east coast, where he completed is initial studies in Chemical Engineering from Brown University, and earned a Medical Doctorate degree from the University of Massachusetts Medical School. Dr. Jacintho has a long history of commitment to serving the underserved in urban areas, and has travelled extensively practicing medicine in rural places in South America and Africa. He studied and became fluent in both Spanish and Portuguese to lend his practice of medicine to a broader population. He has extensive experience and interest in treating patients with HIV, Hep C, mental health disorders, substance use disorders and chronic pain management.

Edina Martinez

Managing Director of San Diego County

Edina Martinez, Psy.D is the Managing Director for San Diego County, overseeing our North County Serenity House programs. She holds a doctorate in Psychology from California School of Professional Psychology with an emphasis on Individual, Family, and Children. 

Dr. Martinez has a strong commitment to the quality of behavioral health services available to the public. She has worked in various capacities in community mental health organizations in Los Angeles County for over 14 years. She also has held positions on two non-profit governing boards over the past 9 years.

Dr. Charmaine Ng

Dental Director

Dr. Charmaine Ng is the dental director for HealthRIGHT360. She oversees the dental clinic and its outreach programs as well as providing direct, patient-centered dental care.

Dr. Charmaine Ng received her BS in Biology from the University of California, San Diego and her DMD from the Arizona School of Dentistry. She also holds a certificate in public health from A.T. Still University and has dedicated her dental career to serving the underserved. During her undergraduate education she operated and managed a free dental clinic primarily for the homeless and migrant workers in San Diego. As a dentist, she has worked with a variety of underserved patients including those in Native American populations, rural communities and the homeless. This, combined with her years of experience as a dental director for community health clinics, has deepened her understanding of the barriers to care that patients might encounter. Dr. Charmaine Ng strives to provide access to comprehensive, quality dental care for those who need it the most.

Sarah Schoenberger

Managing Director of Clinical Services

Sarah Schoenberger oversees many of the re-entry, residential, outpatient and day treatment programs throughout San Francisco.

Additionally she is responsible for overseeing the mandatory and elective training for the entire agency as well as the Resource Center for clients, which includes employment, housing and education services. Holding several positions since joining HealthRIGHT 360 in 2002, she took her current post in 2013. Sarah has a Masters in Organizational Psychology from Alliant International University and a B.A. in Applied Psychology from Pace University.