Treatment Team

M. David Lewis MD, FSAM – Medical Director/Psychiatrist

Team Member Since 2002

Dr. David Lewis is a psychiatrist and is certified in Addiction Medicine as well as certified by the American Association of Medical Review Officers. The American Society of Addiction Medicine has elected him a fellow. Dr. Lewis has served as Chief of the Department of Mental Health for the United States Air Force Academy and was the past Medical Director for Anacapa Adventist Hospital. He has also held distinguished positions at UCLA as Clinical Professor and holds medical licenses in California, Colorado, and Texas. Dr. Lewis is the Founder of the ASAP Family Treatment Program. In addition, he is also the Founder and Co-Director for the NBA, Major League Soccer, and NHL Substance Abuse and Behavioral Health Programs.

He has been honored as a select member of the White House Conference on a Drug Free America and is a distinguished author. Dr. Lewis has appeared numerous times as an expert in both behavioral health and substance abuse for programs such as “Nightline” and “Oprah Winfrey.” Dr. Lewis is also the Co-Founder of the nationwide, non-profit Make a Difference organization.

Dr. Lisa Benya, DO – Internist

Team Member Since – 2013

Dr. Lisa Benya is a 1995 graduate of the Ohio University College Of Osteopathic Medicine. She specializes in internal medicine. Medicine is her passion and life. Dr. Benya strives to see each patient as an individual to create a plan tailored around their personal needs – both inside and out. She believes in a combination of Western and Eastern medicine.

Fiona A. Ray, MA, LMFT – Clinical Director

Team Member Since 2005

A board certified and licensed marriage and family therapist, Fiona Amanda Ray brings over 15 years experience to the field of psychology and has worked in a wide-range of clinical settings, including but not limited to: non-profit and for-profit, inpatient and outpatient substance abuse and mental health facilities. Described by colleagues and clients alike as “authentic,” “straightforward” and “honest,” the locus of Ms. Ray’s efforts lie in facilitating the growth and transformation of the lives of clients and their families.

As Clinical Director of Visions Adolescent Treatment Centers, Ms. Ray oversees all treatment programs. In this capacity, she supervises the clinical department by developing, managing and implementing protocols, procedures and programming aimed to enhance the clinical experience. Fiona collaborates with other members of the management team to ensure effective communication and coordination between all facilities. Additionally, Fiona takes an active role in clinical outreach, locally and nationally, and new business development.

Ms. Ray holds a Bachelor of Arts degree in Human Behavior, an M.A. in Clinical Psychology, and is currently a Doctoral candidate working on a clinical case study dissertation. She also co-founded Casa Bella Recovery Services in March 2007, a dual- diagnosis transitional treatment option for the young adult female population. She is board certified in Sober Living Management and Crisis Intervention, and a proud and active member of many organizations, including member of the Women’s Association for Addiction Treatment, the American Counseling Association and the California Association of Marriage & Family Therapists.

Ms. Ray stands out for encouraging her clients to examine their lives as a whole, and not a series of disparate parts, and to meet each obstacle as an opportunity for introspection, personal growth and improvement, emphasizing the significance of taking control of their own lives. “My goal is to create an environment that is both healing and empowering for people,” she says.

Ms. Ray and her family reside in Los Angeles.

Fiona’s Blog: Click Here

“Once we believe in ourselves, we can risk curiosity, wonder, spontaneous delight, or any experience that reveals the human spirit.” – e.e. cummings

Heather Colligan, MA, LMFT- Mental Health Program Director

Team Member Since 2003

Heather is the Program Director of our residential facility at Latigo. She holds a Masters Degree in Clinical Psychology and is a licensed Marriage and Family Therapist. Heather’s specialty lies in working with adolescents and their families in areas such as substance abuse, eating disorders, and issues of dual-diagnosis. She has worked with teens as a credentialed teacher, case manager, and family therapist. Prior to joining Visions, Heather served as family therapist on the adolescent unit at Aurora Vista Del Mar Hospital in Ventura, CA.
Her strong affiliation with Visions’ current Program Director, Bill Hoban, MFT, and Visions’ Medical Director David Lewis, M.D., from her previous work at Anacapa Hospital, creates a unique, clinical synergy which helps facilitate Visions’ efficient and effective environment for recovering teens. In addition, Heather is an active member of the California Association of Marriage and Family Therapists. Her comprehensive work history, skills, and resolve reflect Visions’ dedication to an unparalleled recovery experience.

“It is rewarding to work with teens and their families here because I get to witness the results from the seeds planted during their stay. Over the years, I receive many phone calls from alumni family and clients. Hearing their stories, the journeys they have taken since their time at Visions is very inspiring. Working side by side with so many alumni after they choose to become part of the Visions staff make for some very surreal and amazing moments. These great moments keep me coming back to work each day with a great purpose.

Heather’s Blog: Click Here

Dr. David Morrison, Psy. D. – Clinical Psychologist

David Morrison, Psy.D. is a California licensed clinical psychologist in private practice in Thousand Oaks, California. He has 19 years of experience working with children and teens with special needs and served as a program manager at two residential care facilities in California. He specializes in psychological assessment, individual and family therapy, and social skills training therapy for individuals with Autism. Dr. Morrison is a member of the American Psychological Association and the California Psychological Association. For the past five years, he has assisted in treatment planning at Visions.

“Having witnessed my brother’s and sister’s struggles with addiction as a teenager and the impact it had on our family, I am honored to work with the Visions team. My mission is to value and respect the uniqueness of the individual and the family, to provide clarity in regards to mental-health issues and to assist in the process of effective treatment planning targeting the recovery of the individual and the family unit.

Garth LeMaster, MA, LMFT – Outpatient Therapist

Team Member Since 2007

Garth LeMaster has a Masters of Arts Degree in Clinical Psychology and has been involved in alcohol and drug treatment since 2005. Prior to joining Visions, Garth worked as an adolescent therapist at another treatment center and in a school setting specializing with educational and behavioral difficulties. Currently, he is a therapist at Visions Outpatient and has a private practice in Beverly Hills.

Garth’s Blog: Click Here

“I’ve worked with children and adolescents in various settings over the past 23 years, but never a place that worked so hard to help every individual and family. This place is the best.”

Koreema Walden MA, MFTi, CATC IV – Outpatient Program Coordinator & Therapist

Team Member Since 2013

Koreema Walden is a Marriage and Family Therapist Intern for our Outpatient Program. Since 2009, she has worked in several programs throughout the City of Los Angeles treating children and teenagers. She worked as a therapist at the Veterans Administration (VA) drug rehabilitation/homelessness program. Koreema is also an academic advisor at Antioch University in Culver City, where she earned her Masters Degree in Clinical Psychology and Community Psychology. In her years of meeting with clients she’s learned the best approach to treatment is with compassion and honesty. Koreema facilitates group process as well as provides one-on-one counseling and offers support to clients as they go through their journey. I am fortunate to be a part of the Visions Family.

Koreema’s Blog: Click Here

“The Journey, is the reward.” Taoist Proverb

Jeff Hollbrook BRI-II & Terra Hollbrook MSW, LCSW, CADC – Intensive Family Program Clinical Supervisors

Team Members Since 2014

The Holbrooks are an outstanding addition to the Visions Team. Since Winter of 2013 Jeff and Terra have reviewed and worked with our clinical staff to further the growth of Visions Family Program. Starting Spring of 2014 Visions will be rolling out our first 3 Day Family Intensive Program in addition to the current family services provided through Visions programming. The Holbrooks have lead with both personal and clinical experience to create a program with an educational and experiential depth.

“In every conceivable manner, the family is link to our past, bridge to our future.” – Alex Haley

Daniel Dewey – Director of Education / Residential

Team Member Since 2002

Daniel is a credentialed teacher with an undergraduate degree in English Literature. He has been with Visions since its inception. His experience began in a special education school for at-risk kids. Additionally, he is able to assist his students across the interdisciplinary spectrum. Daniel works as a liaison between incoming residents and their home scool. He helps coordinate and implement an individualized lesson plan, allowing students to stay current with their education. Working directly with the clinical team, he communicates any concerns that will help his students succeed in treatment and in school.

Daniel’s Blog: Click Here

Morgan Parker – Educator

Team Member Since 2009

Morgan joined the Visions team in early 2009 as a Program Aide before becoming the Residential Teacher at the Latigo facility. She earned her BA in English from UCLA and spent a decade working in academic publishing. She has helped write interdisciplinary educational modules as part of a school reform initiative, tutored and advocated for students with learning differences, and worked in a women’s sober living and shelter. Her background in education, experience in residential treatment, and dedication to residents and families guide her in supporting students’ individualized academic and treatment needs.

Susan’s Blog: Click Here

John D. Lieberman, MA I/O Psych – COO

Team Member Since 2004

John Lieberman began his career in the field of addiction treatment in 1985. John has held the position of Floor Supervisor, Intake Coordinator, Youth Counselor, Crises Counselor, Intervention Specialist, and Director of National Outreach for two nationally recognized addiction treatment facilities. John has traveled internationally evaluating adolescent treatment centers and has presented at several nation conferences on the topic of adolescent treatment. John played a vital role in beginning stages of Visions Adolescent Treatment Center.

John has been an expert contributor to: US News and World Report, The Today Show, Teen Vogue, Inside Edition, and the Dr.OZ Show. John is committed to promoting evidence based treatment and providing families with up to date critical information.

John’s Blogs: Click Here or Here

“I joined the team at Visions Adolescent Treatment Center because, the program, the staff and the environment promotes family healing and recovery.”

Patrick Schettler – Director of Operations

Team Member Since 2006

Patrick started at Visions as a Program Aide in 2006 and has since held the position as Lead Program Aide, Educator and currently holds the position of Director of Operations. He is most likely one of the first people you talk to or meet at Visions. His passion for working at Visions supports his commitment to helping young people grow and succeed. Patrick is currently pursuing a bachelor’s degree at California State University Northridge, and strives to be a positive influence on today’s youth.

Patrick’s Blog: Click Here

“For me, the opportunity to be a positive force in someone else’s life is truly meaningful.”

Jennifer Garrett – Facility Coordinator – NeXt

Team Member Since 2010

An alumni of Visions and current CADAC candidate, Jennifer is living proof of what is possible in recovery. She is a positive role model for our teens, and brings an attitude of hope and enthusiasm to everything she does. Jennifer’s humble strength leads a well rounded, supportive, healthy environment.

Jennifer’s Blog: Click Here

Scott Davenport – CADC II – Counselor

Team Member Since 2010

Scott Davenport is a proud Visions’ alum and a wonderful example of someone in recovery. He has been a valuable member of the Visions team since 2010, starting out as a Program Aide. Scott is now one of our Residential Recovery Mentors and a CADAC counselor. Scott brings a sense of calm and kind understanding to the clients; he is easily relatable and extraordinarily trustworthy. His naturally thoughtful way of interacting with people makes him a calm force in our Residential facilities.

Scott’s Blog: Click Here


Roxie Fuller – Alumni Coordinator

Team Member Since 2007

Roxie Fuller started her education focussed on acting while creating a parallel life at a certified medical assistant. In 2007, Visions was fortunate to bring Roxie on as a Program Aide. She has held the title as Mentor and currently holds the position as Alumni Coordinator. Roxie supports the seamless connection for families transitioning from the treatment process into everyday life.

Roxie’s Blog: Click Here

“I have so much respect for my coworkers, Visions feels like a second family. It’s the most beautiful thing to watch a resident come in angry and hopeless and watch their transformation into a life they deserve.” – Roxie

AshleyHarrisAshley Harris – Mentor

Team Member Since 2011

Ashley started working with Visions in 2011 as a Program Aide and began as a Mentor in 2012. Her passion for recovery coupled with her compassion for the clients assist her on a daily basis. Ashley knows personally how challenging finding recovery is at a young age. She is motivated daily to set an example that it is possible to live a healthy and happy life.

“I can’t imagine working anywhere else. I consider it a blessing being able to look forward to going into work everyday. It’s an honor working along side Visions staff and learning from these amazing people every day.” -Ashley

tony-crandallTony Crandall – Facility Coordinator – NEXT

Team Member Since 2012

Tony Crandall has always wanted to help others, and at Visions he found his perfect role. Starting out as a Program Aide he worked his way up to Mentor. Currently Tony is pursuing his CADC with aspirations of becoming a Marriage and Family Therapist. The Visions team consistently relies on Tony’s enthusiasm and experience to support clients through daily transformations.

“I see myself in the kids I get to help, and the ability to help teach and mold them in a positive way makes me grateful on a daily basis.”


Cody Jensen – CADC I – Counselor

Team Member Since 2012

Cody started with Visions as a Program Aide in 2012 and was quickly promoted to being a Mentor at Visions Residential treatment program. He is currently in pursuit to attain his CADC certification at the University of the Pacific. Working with adolescents is what he knew he wanted to do soon after he found his own road to recovery.

“Watching ‘the light turn on’ and seeing the kids grow up in a short amount of time is what I enjoy. Visions has given me an opportunity that I am grateful for. I get a big sense of accomplishment at the end of my day knowing that I had some sort of positive impact on another person’s life.” – Cody

Christopher Shumow – Founder

Team Founder 2002

Chris is a Founder of Visions Adolescent Treatment Centers. In 1999, he started his career in the treatment rehabilitation field. Prior to Visions, Chris was the director of operations for an adult substance abuse treatment center. It was there that he further enhanced his knowledge and groomed his skills in the field of recovery.

In 2002, Visions was born. Chris had envisioned building an adolescent program that provided effective treatment for substance abuse and mental-health issues. He knew from the start that Visions had to address the adolescents’ emotional growth, physical well-being, psychological health, and family relationships. Chris has proven to be an inspiration and role model for Visions’ adolescents and families.

Chris’ Blog: Click Here

kKristie Moore – Registered Dietician

Kristie Moore MS RDN specializes in treating eating disorders and addictions, helping her clients to succeed by using a recovery-informed mindfulness-based approach. Kristie works directly with clients to create an individualized treatment plan that will empower them with confidence and knowledge so that they can reach their personal wellness goals. Kristie also provides nutrition counseling and education in weight management, diabetes, heart disease, pregnancy, and general wellness.

Outreach Team

Mollie Mylar, BS – Director of Professional Relations

Team Member Since 2012

Mollie received her Bachelor’s Degree in Family and Human Development from the University of Utah. Her experience working with children, adolescents and families started in 1995. Mollie began working with abused children, transitioned into a House Supervisor and then developed her strength as an Admissions Director. She is a seasoned professional who demonstrates the highest level of integrity, compassion and dedication to the families she serves. As Visions’ Director of Professional Relations, she will aid in the communication between consulting professionals and Visions’ Clinical Team to create seamless treatment transitions.

Mollie’s Blog: Click Here

“The aspect I value most in the Visions Team is their daily effort to bridge healthy communication among the entire family while the child is with us in treatment.”

Kurt Garbe, MA – Clinical Outreach Coordinator

Team Member Since 2005

Kurt’s focus is to assist families in finding the right treatment program for their loved one. His insight and advice comes from over 20 years of experience in the chemical dependency/mental-health field where he served as Director of Crisis Intervention and Admissions for the A.S.A.P. Family Treatment Program, Director of Admissions for the Discovery Adolescent Treatment Program, and Director of Intake and Referrals at Anacapa By the Sea.