Trevor Scott

Director of Communications

Trevor began his career in the addiction field through public speaking, sharing his own experience with high schools, university medical students, employee assistance programs,  and treatment centers throughout Canada.

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Michael Arndt

Resident Advisor

Michael incorporates his enthusiasm and dedication to recovery into his work at CAST. As a CAST alumnus himself, he strongly believes that everyone is capable of being an active participant in their own recovery and works closely with clients to share his experience and breadth of knowledge to assist them in forging their own unique path in sobriety.

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Kaja Conrad

Resident Advisor

As a Resident Advisor, Kaja strives to create a supportive, compassionate, and nurturing environment in which clients have the space and security to heal. A Cast Alumnus herself, Kaja benefited greatly from the program’s wealth of services and client centered approach, and is thrilled to be a part of the team.

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Raul Hernandez

Admission/Intake Coordinator

Raul Hernandez, joined Cast Centers in the fall 2017. His duties include handling of all Admissions/Intake calls and help facilitate clients and their families through our admission process into Cast Centers. 

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Jonathan Mariano
Amanda Neiman

Office Manager

Amanda holds a Bachelor’s of Science degree in Psychology from Capella University in Minneapolis, MN. Amanda is pursuing her Master’s degree in Marriage and Family Therapy and intends to apply her continued education in this field.

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Larissa Mooney, M.D

Medical Director

Dr. Larissa Mooney is an Associate Clinical Professor in the Department of Psychiatry and Biobehavioral Sciences at the University of California, Los Angles (UCLA). She is the Director of the UCLA Addiction Medicine Clinic and Acting Chief of the Substance Use Disorders Section at the Greater Los Angeles VA Medical Center, where she teaches and supervises psychiatrists in training in the clinical management of addiction and mental health disorders. 

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Cecelia Mylett, PSYD., LCSW

Executive Director / Clinical Director

Dr. Cecelia Mylett, PSYD., LCSW, has extensive experience and skills in the development, delivery, and administration of outpatient Behavioral Health Care Services. Cecelia is the former Director of Kaiser Permanente's Outpatient Psychiatry Department for Los Angeles Sunset and Pasadena Outpatient Clinics.

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Robert Oppenheimer, LCSW

Clinical Therapist

Robert Oppenheimer, LCSW is a clinical therapist at CAST. He brings years of experience in outpatient treatment programs. Working with adults in individual and group settings to provide appropriate therapeutic care. He received his Masters in Social Work from USC.

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Mardet Homans

Manager of Operations

Mardet Homans, CAST’s office manager, is a recent graduate of Columbia University with a BA in psychology. In college, her focus was in abnormal psychology with a concentration in examining the neurological basis for clinical disorders. She plans to continue her education in addiction and psychology studies.

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Charles Thomas

Director of Residences

Charles Thomas, Lead Resident Advisor, is dedicated to helping others recognize their potential while on the path to recovery. Charles comes to CAST after years of working in both residential treatment and various transitional living facilities.

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Emma Koffroth

Resident Advisor

Emma Koffroth, Lead Resident Advisor, has a tenacious dedication to helping others on their journey to wellness. She has been involved in a number of spiritual and recovery-oriented programs for the past seven years and feels honored to help others on their own unique paths to sustainable, healthy living.

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Mike Kroener

Resident Advisor

Mike Kroener was born and raised in Phoenix, Arizona. He came to Los Angeles in 2011 to achieve sobriety for himself. After two years of sobriety, Mike realized he has a gift and passion for helping others struggling with addiction.

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Alicia Racine, LPCCI


Alicia Racine received her Master's degree from the Boston Graduate School of Psychoanalysis and a BFA undergraduate degree from Boston University. Alicia worked as an individual and group psychotherapist with Wild Acres in Massachusetts, The May Institute, Monte Nido in MA, and the Center for Discovery in California.

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Katie Corrigan, M.A., LMFT

EMDR Therapist

Katie Corrigan is the EMDR Therapist at CAST Centers, working with clients to build resiliency and begin the process of healing past traumas  Katie is a licensed psychotherapist who specializes in working with trauma, anxiety and career related issues.

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Patrick O'Neil, MFA

Group Facilitator

Patrick O’Neil is CAST’s Group Facilitator. He previously worked in treatment as a primary residential drug and alcohol counselor in San Francisco. It was during this time that he realized that nurturing and cultivating one’s passion is an integral and essential part of recovery.

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Rebecca Udell, PhD, LMFT

Manager of Clinical Services

Rebecca Udell PhD, LMFT is CAST’s manager of clinical services.  She worked as a psychotherapist at Loyola Marymount and Pepperdine Universities, providing crisis intervention, cognitive behavioral therapy, and AOD counseling to university students. In addition, Rebecca worked with underserved children and adolescents in foster care where she advocated for children and adolescents,

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