The Summit Malibu Team

The Summit Malibu treatment team includes some of the most dedicated and experienced practitioners in the field.

Integrating the best aspects of traditional approaches with science based care requires expertise that comes from both training and experience.

The following individuals have brought their high-level of training and their considerable experience to the development of the Summit Malibu program.

William Oswald, Executive Director and Founder

Over the past 30 years William Oswald has established himself as a pioneer in the alcohol and addiction recovery field. At the Adult Substance Abuse Program of Southern California (ASAP) he was one of the first to expand the scope of addiction treatment into mainstream medical facilities. In 1988 he founded Avalon Treatment Centers at Van Nuys Hospital, the first center to provide a broad range of social and therapeutic treatments that significantly reduced relapse rates. In the 1990s he established Lumax Mental Health, a company specializing in day treatment programs for dual diagnosis patients at area hospitals, and went on to direct business development for New Seasons Behavior Health Center, one of the first centers to utilize neurocognitive treatment for addiction. Mr. Oswald was also instrumental in creating Cocaine Anonymous, a 12-Step fellowship that has helped thousands.

Steven Booth, Finance Director 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.

Shahla Modir, M.D., Independently Affiliated Physician

Dr. Modir is one of the most recognized and respected physicians in the addiction recovery field, and is known for the effectiveness of her holistic approach to treatment. he completed residency training in Psychiatry at Harbor-UCLA Medical Center and sub-specialty training in Addiction Psychiatry at the UCLA Medical Center. Dr. Modir is also a Diplomate of the American Board of Psychiatry and Neurology for Addiction Psychiatry, and has extensive training in Dialectical Behavioral Therapy (DBT) and Cognitive Behavioral Therapy (CBT). Dr. Modir is also a licensed buprenorphine provider.

Karen Hylen, Ph.D., Program Director

Dr. Hylen is a Primary Therapist at Summit Malibu and the facilitator of Summit's Dialectical Behavioral Therapy (DBT) skills training program. She received her Doctorate degree in Clinical Psychology, with a depth perspective, from Pacifica Graduate Institute, focusing her internship training on working with persons diagnosed with Post Traumatic Stress Disorder. Dr. Hylen has over 15 years experience providing therapy to individuals dually diagnosed with symptoms of both addiction and mental illness. She is adept at creating a validating environment that conveys acceptance, while aligning with the client in working toward the effective changes needed for sustained healing and recovery.

Nicole Karman Gilbert, Ph.D., Primary Therapist

Dr. Gilbert is a licensed clinical psychologist who has practiced in Los Angeles, California, for 20 years. Her specializations include the treatment of trauma and addiction disorders as well as family issues in the context of divorce or relocation. Dr. Gilbert has worked as a primary therapist, group leader and Clinical Director in several drug and alcohol treatment centers in Los Angeles and Malibu, where she also organized family weekends for patients and their families. She is past and current President of the Los Angeles Society of Clinical Psychologists and a member of the California Psychological Association as well as of the California Brain Injury Association.

Dr. Gilbert was educated in Switzerland, France and the United States. She earned a Bachelor of Science in Psychology from the University of Washington, and her doctorate at the California Graduate Institute (now The Chicago School). She did her dissertation in cooperation with the Yale Psychiatric Institute on generational patterns of attachment. Dr. Gilbert interned at the Human Sexuality Clinic of the UCLA Neuropsychiatric Institute and proceeded to become a psychological assistant to one of the founders for 3 years prior to establishing her independent practice.

Wendy Roehr, Therapist

Wendy graduated from California State University, Northridge with a BA in Sociology in 2005. Over the years, Wendy has gained a variety of experience in her counseling career. She spent her early master's program years working in the area of rehabilitation, where she worked with clients in individual and group setting for their entire length of the program. She was also trained and headed up the after care program of treatment, working with clients to gain success in their transition to their return to life outside of the environment of rehabilitation center. Additionally, she gained a year of experience with counseling families in distress in addition to working hand in hand with state agency to meet court ordered requirements. Wendy's diverse experience and passion for the growth and development involved in therapeutic process makes her a strong member of the clinical team at Summit Malibu Drug and Alcohol Treatment Center.

Carder StoutTherapist

Carder is a licensed Marriage and Family Therapist who has worked in the recovery community for more than 8 years. He currently runs recovery groups at a number of different treatment centers in Los Angeles. Carder is deeply committed to honoring the origins of modern psychology and also staying current with advances in the field of psychology. He incorporates many different techniques into his treatment style to ensure that clients receive the best treatment possible and firmly believes that a commitment to self is essential to the recovery process. Carder is currently earning his Ph.D. in Psychology from Pacifica Graduate Institute and received his Masters in Counseling Psychology from Southwestern College. He has a private practice in Brentwood, Ca where he treats clients for relationship issues, depression, anxiety disorders and addiction.
For more information visit Carder at his website

Steven Norris, Operations Manager

Steve Norris comes to Summit Malibu with an extensive background in the chemical dependency field. A native of Chicago, Steve brings a good sense of humor, hard work and dedication to the Summit Malibu team. He makes sure that all of our clients have a comfortable stay while they are in recovery, making sure all of their needs are met. "I feel extremely honored to be a part of such a compassionate and caring team here at Summit Malibu. Everyone here genuinely enjoys what they do, and all of the staff are committed to helping our clients heal and have a successful recovery."

Danielle Mansur, Clinicians' Assistant Supervisor

Danielle arrived at Summit Malibu with an already extensive background in the field of chemical dependency, and wears many hats at Summit Malibu. While overseeing client medication administration and coordinating with the medical and clinical teams, Danielle also works as Summit's Supervisor to the Clinical Assistants. Danielle, along with an amazing team of professionals, has helped all of our clients feel safe and supported through their various stages of recovery at Summit Malibu.

David Jones, Life Coach/Counselor

David has served as a certified life coach, specializing in drug and alcohol rehabilitation and spiritual recovery, for ten years. The developer and facilitator of the, "My Creator Workshop," David's program has successfully guided those who suffer from addiction and Spiritual sickness toward sound mental, emotional, and spiritual health. Clients residing at Summit Malibu have gained stability, confidence, and control of their lives through David's easy-to-grasp philosophy of living a purposeful life.

Elizabeth Pinc, Therapist

After many years in the corporate world, Elizabeth left a successful career as a stockbroker and business owner to follow her passion of working with those who suffer from Alcoholism and Addiction find a new way to live. As a Certified Clinical Hypnotherapist with over 28 years of recovery experience, a Registered Addiction Specialist, a Certified Master Neuro-Linguistics practitioner, Emotional Freedom Therapist and active in the Recovery and Mental Health Community for over 15 years, Elizabeth brings a unique blend of experience, education and dedication to the Summit experience.

Charlene Simpson, Clinicians' Assistant

Charlene received her BA degree from Hollins University with a double major in Economics and Spanish.Charlene is currently pursuing her Masters in Clinical Psychology at Pepperdine University. In her "spare time", she is the mother of a 3 1/2 year old boy, and is working to find a cure for his diagnosis of Autism. Charlene brings her unique gifts and skill set to Summit Malibu where she serves as a Clinical Assistant.

Jeff Boxhorn, Clinicians' Assistant

Jeff Boxhorn has worked in the recovery field since 2003 as a clinical assistant, a counselor, and a sober companion. Since getting sober in 1984 Jeff has been active in the LGBTQ community. He loves to eat, exercise (in that order!) and has been known to dote upon his cat Concepcion.

Amanda Ferrara, Clinicians' Assistant

Amanda's background knowledge in medicine originates out of her experience working at a Veterinarian's office. After witnessing a loved-one destroy his life with drugs and alcohol, Amanda was compelled to switch fields. Amanda has therefore carried over her medical knowledge that she acquired through working with animals, to her work here at Summit Malibu. Currently, Amanda is working to attain her degree in journalism.

Ashley Oswald, Executive Chef

Ashley studied culinary arts at College of the Redwoods in Northern California. She has worked as a professional caterer out of Santa Barbara for the last eight years, and has a special interest in Asian, Indian, and South East Asian cuisine. She has been with Summit Malibu since the beginning of 2011, and continues her culinary journey; preparing meals from around the world filled with festive flavor and color.

Kody Lincecum, Executive Chef

Kody attended Cordon Bleu Culinary College. Since then, Kody has attained knowledge on many different ethnic cuisines and desserts through his experience at an exclusive country club. Kody specializes in creating not only delicious entrees, but healthy ones as well.

Dale Nieli,Yoga for Recovery

Dale is the owner of Zen Bodies, a Yoga, Meditation, and Fitness Business in Santa Monica, California. She is noted for being a pioneer in the field of Yoga for Recovery, and often lectures on the importance of this practice for 12-step recovery. Dale also gives workshops across the Country on this topic. Dale also works with actors in the entertainment industry, training them, and preparing them for upcoming Movie and Television roles. She is a contributing writer for LA Yoga magazine, and has been featured in the September and October issues. Currently, Dale is working on pre-production, for a meditation and hypnosis project that will come out on cd, as well as a digital download. The release is scheduled for February 2013. Dale Nieli holds a BSW and MSW from New York University. She is also a Certified Hypnotist, Yoga Instructor, and Personal Trainer.