Meet our team at Summit Malibu in beautiful Malibu, California where we have experience in treating drug and alcohol addictions, with great success.  We’re with you every step in the process from before and after treatment. Get to know our team below.

Owners

William Oswald, Chief Executive Officer, and Founder

Summit Malibu was founded by William Oswald, who has over 40 years of experience in the field of substance use, addiction treatment, and mental health recovery.

As a hands-on owner in recovery himself, William has handcrafted the Summit Malibu treatment program by drawing upon his extensive experience with proven methods for long-term success. Read More


Steven Booth

Steve Booth, Chief Financial Officer, and Founder

Steven earned his B.A. from the University of California, Santa Barbara in Economics. Before helping to co-found Summit Malibu Steven worked in both private and public accounting. Like many others, Steven has seen first hand the destruction that addiction can inflict on family and friends. He has also witnessed the extraordinary changes that can be made when addicts receive the necessary treatment.

Medical Team

Lisa Benya, D.O.

Dr. Lisa Benya, D.O., is a 1995 graduate of the Ohio University College of Osteopathic Medicine. She is an internal medicine doctor that has served the Malibu community for over the past 10 years.

Her caring and compassionate approach combines both eastern and western medicine and has earned her a great reputation and a lot of respect in the local community. Read More


William Stanley, M.D.

Dr. William D. Stanley, M.D., received his Doctorate of Medicine degree from UMDNJ – Robert Wood Johnson Medical School in Piscataway, NJ.

Dr. Stanley completed his Boards for ASAM (American Society of Addiction Medicine) in 2000, and later for ABAM (American Board of Addiction Medicine) in 2010. Read More


Shahla Modir, M.D.

Dr. Shahla Modir, M.D., has over 20 years of experience in addiction, psychiatry, and integrative medicine.

Dr. Modir is dual board-certified in Addiction and Psychiatry, serving as a diplomate of the American Board of Psychiatry and Neurology and its Addiction Psychiatry certification. Read More

Directors

Kristin Robert, Executive Director

Hailing from a background in business administration and customer service, Kristin Robert joined the team at Summit Malibu in January 2014.

As Executive Director, she oversees the clinical and support staff, as well as all aspects of our dual diagnosis addiction treatment program. Read More


Greg R

Greg Rigali, Director of Operations

Greg Rigali has been working in the field of substance use disorders and mental health treatment since 2015, and is currently the Director of Operations of Summit Malibu.

He has been instrumental in managing previous addiction treatment and support teams of nearly 100 staff members and up to 70 clients at a time. Read More


Joseph Neely, Admissions Director

Joseph Neely, better known as JoJo, is originally from Kentucky and is the Admissions Director of Summit Malibu.

For all prospective clients considering addiction treatment at Summit Malibu, chances are good that JoJo will be the first person you talk to about our program. Read More

Clinical Team

Julia Alperovich, LMFT, Clinical Supervisor

Julia Alperovich is a Licensed Marriage and Family Therapist (CA LMFT#104657) with over 12 years of experience in addiction treatment.

She has a Master of Science Degree in Marriage and Family Therapy from Seton Hall University with a specialization in the neurophysiology of addiction. Read More


Beth Farar, LMFT, Independently Affiliated Clinician

Beth Farar is a California State Licensed Marriage, Family and Child Psychotherapist (LMFT) who has been treating people for more than 22 years.

She specializes in working with individuals, couples, children, adolescents, and family therapy and is trained in Rapid Resolution Therapy. Read More


Lindsey Araiza, LCSW, Independently Affiliated Clinician

Lindsey Araiza is a Licensed Clinical Social Worker (LCSW) with a strong background in addiction and mental health recovery work.

She has extensive experience working with adolescents, adults, families, and couples as they navigate the road to change, especially in recovery. Read More


Cyndle Rios, LMFT, Independently Affiliated Clinician

Cyndle Rios is passionate and devoted to empowering others and creating positive awareness within the mind, body and spirit.

As a therapist, she helps clients find inspiration and motivation in a life of healing and hope, and helping others create a life worth living. Read More


Gabriel Logan-Braun, Holistic Practitioner

Gabriel Logan-Braun has shared his knowledge and touched the lives of both our team and residents since arriving at Summit Malibu several years ago in 2018.

After going through a dark episode of depression in his late teens, he was led to his first yoga class at the age of 17, where he began his journey of healing and transformation. Read More


Natalie Riggs, Equine-Assisted & Yoga Therapist

Natalie Riggs provides a dual role as both an experienced Equine-Assisted Therapist and Yoga Therapist for our residents at Summit Malibu.

She facilitates therapeutic group and private sessions for our clients by navigating a myriad of life challenges including post-traumatic stress, anxiety, depression, and addiction. Read More


Terry O’Rourke, CADC, Group Facilitator

After a successful career in film & tv production, Terry felt it was time to give back. He has been blessed in his life with many gifts and felt it was time to be of service to others. Terry’s mission statement is “I co-create a world of connection and discovery through supporting, facilitating, and loving myself and others.” He graduated from the UCLA Extension Addiction Studies Program In 2018. Terry then became a Certified Alcohol and Drug Counselor. He is also a certified SMART Recovery Facilitator.

Support Staff

Joanna Medina

Joanna Medina, Medication Room Supervisor

Joanna Medina earned her Bachelor’s Degree from California Lutheran University and she began working in field of addiction treatment immediately after she graduated.

Joanna’s personal experience with addiction provided the motivation for her to work in treatment, where she can provide support, compassion, and hope to others. Read More


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Donald Peake, Lead Clinician Assistant

Don Peake was born and raised in Seattle, Washington, and moved to the Los Angeles area in the early ’70s with his wife Pam.

He draws from his own personal experience in recovery when sharing with clients and offering compassion and encouragement during their time in treatment and beyond. Read More


Scott Naslund, Lead Clinician Assistant

Scott is a graduate of UCLA and has been working at Summit Malibu since its inception. His experience in recovery has been both challenging and rewarding. The challenge has lied in helping people through the throes of addiction by being supportive. The reward from witnessing people heal through Summit’s therapeutic process and rekindle their fire for life. His passion for learning has helped him realize the importance of helping people and the value of sobriety.


Benjamin Hess, Clinician Assistant

Ben is an LA native, growing up on the hard streets of Chatsworth. He is currently working and is almost finished with his Bachelor’s degree in Psychology at CSUN. He finds joy in helping out others which he carries out with his work at Summit in hopes of furthering his career in the field


Jeffrey Moreno, Supervising Registered Nurse

Jeffrey Moreno has been working at Summit Malibu since 2016, supporting residents through this challenging process in a myriad or roles. A prominent life passion of Jeff’s is helping others recover from substance use disorders by providing the utmost professional and compassionate care. Jeff recently became licensed as a Registered Nurse and his work showcases his dedication to his healthcare career. Jeff feels truly blessed to work in a profession he loves.


Rosalia Sandoval, Facility Manager

Rosalia Sandoval has been a member of the Summit Malibu Team from day 1 and excels as our Facility Manager.

She enjoys interacting with our clients and staff, and is present every day, welcoming Summit Malibu with a fresh breakfast and a warm smile. Read More


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Kelly Sweeney, Case Manager/Aftercare Coordinator

Kelly Sweeney has worked in all aspects of the addiction and mental health treatment field for more than 16 years and currently serves as Case Manager and Aftercare Coordinator for Summit Malibu.

She has had the exclusive opportunity of working alongside some of world’s very best clinicians, treatment centers, and doctors. Read More


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Amaris Baker, Primary Therapist

Amaris Baker is a graduate from the University of Nebraska-Lincoln where she earned her Bachelor of Arts (BA) in Psychology and minored in Sociology.

She obtained her master’s degree (MA) in Counseling: Marriage and Family Therapy at California State University-Long Beach. Read More