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Join Our Team

We combine the latest science and evidence-based treatment with compassion and understanding to help our clients recover, grow, and build a better life than they had before. To that end, we provide a diverse array of treatments and services by which we aim to promote holistic healing.

Open Positions

Licensed Vocational Nurse

Alter Health Group is currently seeking a full-time Licensed Vocational Nurse or Psychiatric Technician  for our SUD and Primary Mental Health facilities, located in Irvine and Dana Point, CA.

Care Coordinator

The primary role of the Care Coordinator/Behavioral Health Technician (BHT) is in providing direct and support services to female or male clients suffering from mental illness, a co-occurring disorder, or substance addiction.

Admissions Coordinator

The Admissions Coordinator will be required to carry out duties that involve the screening of clients who need admission into our various treatment programs nationwide.

Marriage and Family Therapist

Alter Health Group is currently seeking a full-time Marriage and Family Therapist for both SUD and Primary Mental Health residential adult facilities.

Utilization Review Specialist

The Utilization Review specialist is responsible for managing an active caseload of clients for the following levels of care: Detox, Residential, Intensive Outpatient, and Behavioral Health.

Crisis Support Counselor

As a Crisis Support Counselor the primary goal is to provide on-going peer counseling and support for people in crisis.

Customized Treatment

No two people are entirely the same in their struggle with addiction, substance abuse, or behavioral health problems. Our team of accredited psychologists, therapists, and other care professionals customize treatment around unique circumstances such as PTSD, co-occurring disorders and/or substance abuse.

A Compassionate Team of Experts

Addiction, untreated mental illness, and other problems can reverberate through someone’s life and interfere with their family relationships, friendship, and more. This is why Alter Health Group supplements a core team of treatment specialists with general therapists, marriage counselors, and others who can help our patients overcome every obstacle that life places in their path.

Perks & Benefits

Holiday Pay

Sick Days





401k + Matching

Company Parties

Our Awesome Team

Tami Tucker, PhD

Tami Tucker, PhD

Executive Therapist and Clinical Strategy

Tami L Tucker, Ph.D. is an Industrial Psychologist. Licensed Clinical Psychologist and Management Consultant. She has been a licensed psychologist for over 25 years and began her research in the area of Industrial psychology prior to that. She consults to large Fortune 100 companies and small organizations as an Executive Coach and Management Consultant specializing in the pre-hiring assessment. She brings her dedication to performance optimization and assessment to the field of recovery in an effort to expand the approach and tools used to treat addiction. Dr. Tucker has developed a program that is specialized for each client through psychological assessment not only to determine underlying co-occurring disorders but to also assess cognitive and personality variables as we seek to optimize knowledge and skills within our clients as they fight addiction.

Brian Harpst

Brian Harpst


Brian Harpst is an Associate Marriage and Family Therapist (AMFT #108298). He grew up in Tehachapi, CA where he gained a deep appreciation for the outdoors. Brian graduated from Northern Arizona University in 2005 with a Masters in Musicology. He later went on to Pepperdine University graduating in 2018 with a Masters in Clinical Psychology with an emphasis in Marriage and Family Therapy. Brian’s completed his clinical training experience at the Pepperdine Community Counseling Center in Irvine California. Brian developed a passion to serve in the substance abuse and mental health populations in grad school and has been involved with helping those populations since that time. Brian uses a variety of psychotherapy modalities in sessions including person centered therapy, motivational interviewing, narrative therapy, cognitive-behavioral therapy, and positive psychology. Brian blends creativity with deliberate narrative practices in a collaborative effort to help clients gain hope and strength. Brian finds purpose in helping clients reclaim their lives and achieve their goals.

John Biroc, PHD, LMFT

John Biroc, PHD, LMFT

Clinical Director and Therapist

Dr. Biroc has been a college professor, Clinical Director and Clinical Supervisor for recovery centers in Southern California. He has also been a consultant for the film industry and a motivational speaker for major corporations. When he initially started to run groups in addiction treatment centers, he noted that some key, engaging components were missing from the group requirements and he began to add some of his training and studies to enhance the empowerment and experience of the clients with a focus on improved outcomes. He holds two master’s degrees (theatre and psychology) and a doctorate from USC in Psychology. Dr. Biroc blends the concepts of intellect and creativity in his approach to recovery and has taught at UCLA, California State University, Northridge, and Antioch University. In addition, he has worked as a contract therapist for mental hospitals in California. With a background and passion for theatre, he also worked with rock bands, has been acknowledged in articles in the Los Angeles Times, Boulder Times, the London Sunday Express, Toronto Star, Baltimore Sun, and the Orlando Sentinel, and appearances on MTV and radio shows around the country. He is pleased to be with Dana Point Rehab Campus and is helping to innovate and advance addiction treatment practices.

Sanjai Thankachen, MD

Sanjai Thankachen, MD

Medical Director

Dr Sanjai Thankachen completed his residency in psychiatry in 2008 from Creedmoor Psychiatric Center in New York, where fifty percent of his rotations were at Columbia Presbyterian Hospital. After his residency he worked at Ventura County, Medical Centers in an adult out-patient setting and now lives in Orange County, California.

Dr. Thankachen’s mission at Dana Point Rehab Campus is to provide world-class treatment that sets a high standard with science-based practices to treat mental and behavioral health issues.  In addition to substance and alcohol abuse treatment, Dr. Thankachen is highly qualified to provide an array of care for secondary disorders, including depression, bipolar illness, schizophrenia, anxiety, and dementia related problems.