Primary Staff

Burr Cook

Burr Cook


As Executive Clinical Director, Burr oversees clinical operations at Balboa Horizons. He has worked in healthcare since the mid-1970s and has worked in state-licensed inpatient addiction treatment centers and detoxification facilities as a nurse, counselor, program developer and director, educator, and director of admissions since 2003.

Burr is a Board Registered Interventionist through the Association of Intervention Specialist Credentialing Board (AISCB), a Certified Alcohol and Drug Counselor (CADC II), a Nationally Certified Addiction Counselor (NCAC), Certified Intervention Professionals (CIP), and a Registered Nurse. He is a member of the California Association of Alcohol and Drug Abuse Counselors (CAADAC), the National Association of Alcohol and Drug Abuse Counselors (NAADAC), and past President of Network of Independent Interventionists (NII). He also served on the boards of NII and PALM (Problems of Addiction in Labor and Management). His experience and knowledge of the intervention, treatment, and recovery process has given him the resources and skills necessary to implement comprehensive, effective recovery plans for clients and their families.

Burr believes an essential piece of recovery is the participation of the entire family in the recovery process.

Elizabeth Roberts


Dr. Elizabeth Roberts has been guiding, caring and advocating for children and adults for over thirty years, half of those years as a physician. Board Certified by the American Board of Psychiatry & Neurology, Dr. Roberts serves as Medical Director at Balboa Horizons. She is responsible for evaluation and diagnosis of every patient who comes through the program. Dr. Roberts manages psychiatric medication for all of Balboa Horizons clientele, as well as screening for medical referrals.

She has also appeared as an expert witness before the House Committee on the damaging effects of misdiagnosis and over-diagnosis of children with psychiatric disorders. Dr. Roberts is a medical expert widely in demand in the media, and has appeared on The Oprah Show, The Today Show, ABC News in Chicago, CBS News Los Angeles, NBC News in San Francisco, Real Life with Mary Amoroso in New Jersey, and KZSW-TV in California. Her radio appearances include: Washington Post Radio, Washington D.C.; The Milt Rosenberg Show, Chicago; The Pete Wilson Show, San Francisco; Positive Parenting, San Francisco, and many others. Dr. Roberts has been widely published, including her op-ed in The Washington Post, “A Rush To Medicate Young Minds,” the Pittsburgh Post-Gazette Forum, “Bipolar Kids or Bad Parents?” as well as in the Chicago Tribune and Chicago Sun Times. She is the author of “Should You Medicate Your Child’s Mind.”

Dr. Roberts believes an essential piece of recovery is good mental health.

Marissa Murray


As Detox Program Manager, Marissa is responsible for supervising all aspects of the detox center, including staffing and working one on one with clients—coordinating admissions, treatment planning, scheduling, and facilitating medical needs.

A registered member of the California Drug and Alcohol Counselor Certification Program (CADCA), Marissa has worked in the recovery industry since 2008—in every role from case management to detox program director at another recovery center.

Marissa believes an essential piece of recovery is practicing it as a spiritual journey.