Our Team

David Longridge
President / Founder

Dave Longridge is the President & CEO of Balboa Horizons Recovery Services, which he founded 14 years ago. With fully-licensed inpatient facilities and outpatient programs in Newport Beach and Costa Mesa, Balboa is Joint Commission accredited to provide treatment programs to those suffering from alcohol and drug addiction, as well as those who have co-occurring mental health conditions.

Located in coastal Orange County, Balboa Horizons offers the full continuum of addiction recovery programs for men and women. Its specialized, comprehensive recovery programs provide a valuable continuity of care for clients, their families, referring professionals and hospitals. Balboa Horizons’ programs are designed with the end goal in mind – providing a customized treatment process that fosters maximum progress and growth. The organization has a sterling reputation in the treatment industry for excellence and positive recovery outcomes. In addition to serving young adults and being a top choice with primary treatment centers, interventionists, therapists, and other professionals, Balboa Horizons is also aligned with the Employee Assistance Programs of some of the largest unions in the country, particularly those serving the transportation industry – on land or air.

Balboa Horizons has also received The Joint Commission’s Gold Seal of Approval for Behavioral Health Care Accreditation, the highest ranking for standard of care any addiction treatment organization can achieve. Dave honed his executive management skills in the auto industry, and – grateful for his own recovery from alcohol addiction 21 years ago, began “giving back” by originally helping those struggling with addiction, later financing an addiction treatment center, then applying his management talents to running Balboa Horizons. In addition to supporting the recovery community, Dave has been involved with the Orange County homeless shelter, United Way, the Special Olympics, and providing planning and management consultation services to other small business owners.

Dr. Valeh Karimkhani, D.O.
Medical Director

Dr. Valeh Karimkhani, D.O. is an adolescent and adult psychiatrist, board certified in Addiction Medicine, and founder of Orange County Psychiatry and Addiction Medicine. Before joining the team at Balboa Horizons, Dr. Karimkhani is the former Chief of Psychiatry Consult Liaison at Hoag Hospital in both Newport Beach and Irvine.

Dr. Karimkhani, holds her undergraduate studies with a double major in biology and chemistry and attended medical school at the University of North Texas Health and Science Center, College of Osteopathic Medicine. Dr. Karimkhani was granted a summer research scholarship and participated in cardiovascular physiology research and her internship was completed at the University of Texas Southwestern Medical School in Dallas, Texas.

Dr. Karimkhani has been dedicated to community medicine in both emergency and outpatient settings. She has extensive experience in emergency psychiatry, dual diagnosis, trauma, substance abuse, and addiction psychiatry. Dr. Karimkhani is also a Major in the Army Reserves, and has served 2 tours in Iraq and 1 in Kuwait.

Katy Alexander
Intake Director

Katy serves as the Admissions Director for Balboa Horizons. She has almost 12 years’ experience in working in the substance abuse field in roles ranging from Admissions Director to Financial Administrator, Insurance Administrator, Business Development, and Program Director.

Responsible for overseeing the admissions department, screening and assessment of prospective clients, coordination of admissions, verification of benefits, appropriate client intake and maintaining relationships in the community, Katy is passionate about helping others find their path to recovery and assisting them through the process. Katy believes an essential piece of recovery is finding out who you are, and being the best at it.

Holly Han

Clinical Supervisor Psy.D., M.F.T.

Holly is the Clinical Director at Balboa Horizons. She is a licensed Marriage and Family Therapist and also holds a doctoral degree in psychoanalysis which she obtained from Newport Psychoanalytic Institute in 2008. She has been in the addiction treatment field for almost 20 years and has worked in drug court, private practice, and other residential settings. She has taught courses on addiction and also supervises and provides consultation for other therapists. Holly believes that all people suffering from addiction deserve the help they need to move from a life driven by an inner compulsion to a life driven by inner freedom.

Samantha Grimes 
Clinical Lead M.F.T.

Samantha is a licensed therapist who specializes in anxiety, panic disorders, trauma, and addiction. Samantha has extensive experience working with adults in the substance abuse population in various levels of care in treatment settings.

This coupled with her prior work with Solano County Mental Health with at-risk children, adolescents, and their families give Balboa’s clients and families additional clinical expertise in addressing and healing the family system. As clinical lead, Samantha truly helps inspire change and transform lives on a daily basis. Her passion for helping others and her clinical excellence helps Balboa’s clients feel supported throughout their journey in recovery.

Finally, she co-founded Think Well, a collaborative wellness-based program focused on mindfulness, meditation, and improving overall mental health.

George Hoke

As IOP Director, George is responsible for crisis management, one-on-one client counseling sessions, as well as facilitating psychoeducational group sessions, and overseeing the entire Balboa Horizons IOP program. A Certified Drug and Alcohol Counselor with over 16 years in recovery, and 20 years experience in sales, he parlays his business acumen into helping clients develop life skills and a workable plan for the future.

Through volunteering, George found his life’s purpose in helping other people with their personal recovery. George believes an essential piece of recovery is learning how to form authentic relationships.

Caitlin Murashie
Program Director CADC-II

As Women’s Program Director, Caitlin is responsible for directing and managing the treatment counselors for the Balboa Horizons Women’s Program. Her duties include staff and program development, documentation audits, crisis interventions, and client and employee scheduling. She is also responsible for advising the support staff and support staff supervisor.

A Certified Drug and Alcohol Counselor and Registered Recovery Worker, Caitlin acquired her degree from Health Staff Training Institute in 2008 and has worked in a variety of treatment programs, including adolescent and detoxification facilities. Caitlin’s years of participation in 12-Step recovery programs allow her to provide outstanding support to clients and families affected by addiction. Caitlin believes an essential piece of recovery is the willingness to take action to unseat old patterns.

Bruce Kolberg

After spending nearly 20 years in construction, Bruce made the decision to follow his passion for helping men recover from addiction.

He is currently the lead counselor for the Men’s Program helping supervise the other men’s counselors. He studied at Intercoast College in the California Certification Board of Alcohol and Drug Counseling (CADAC) program where he graduated on the Director’s Honor Roll. In the recovery industry since 2012, Bruce believes an essential piece of recovery is realigning priorities and changing perceptions.

Marissa Murray

Detox Program Manager CADCA

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.

Dr. Jim Tracy
Family Program Facilitator 

Dr. Tracy graduated from Georgetown University School of Dentistry in 1979 and practiced General Dentistry for over 20 years. He is a nationally recognized educator on addiction, interventions, chronic pain and family treatment and has consulted and developed family programs for some of the top addiction treatment centers in the country. He is founder and past Vice President of The Betty Ford Center’s Licensed Professional Recovery Program.

His experience has allowed him to serve as Chairman of the Dental Board of California’s Diversion Evaluation Committee, the Medical Board of California Diversion Evaluation Committee and the Lawyers Assistance Program for the State Bar of California.

Dr. Tracy is a Licensed Advanced Alcohol and Drug Counselor, Licensed Marriage and Family Therapist, a Certified Psychodramatist, and a certified experiential therapist.  He has a special interest in developing effective family programs utilizing experiential and psychodramatic methods.

He conducts specialized family workshops and long-term family case management and monitoring. In addition to facilitating family programs, Dr. Tracy continues to work as an interventionist facilitating family and young adult interventions, impaired professional interventions, as well as specializing in intervention and treatment of patients with Chronic Pain and Dependency and their families.

Christine Deguchi

Director of Human Resources and Administration

Joining the Balboa Horizons team in 2015, Christine brought a 20-year record of extensive accomplishments in Human Resources and Operations Management in both start-ups and established organizations.  She has demonstrated successes in multi-plant, international operating environments.
As a highly accomplished Human Resources and Administrative executive and manager, Christine has a solid record of success partnering with senior management in providing extensive strategic and hands-on expertise developing HR programs and processes supporting business objectives and goals and turning strategic vision into reality.

Prior to joining The HR Team at Balboa Horizons, Christine headed Human Resources for Robinson Pharmaceutical where she supported 400+ employees and partnered with manufacturing Operations Unit leaders to ensure alignment of HR strategies with business initiative and goals. Christine holds numerous certificates in Employment Law and Human Resource Management from George Washington University and California State University, Dominguez Hills, and is an active member of the Professionals in Human Resources Association (PIHRA) and the Society for Human Resources Management (SHRM). Christine believes an essential piece of recovery is creating a work environment where everyone works together as a team to provide only the best for our clients.

Bob Cartwright
Outreach Representative

Bob is highly active in the recovery and treatment field for over 25 years. Much of his career has been dedicated to increasing awareness about addiction in the local community.

Through his passion for helping others in volunteer work, he has guided many towards a more fulfilling life through his example and through work in the community.

He currently sits as the Chairman of The Orange County Men’s Association of Addiction Treatment, and he has helped bring industry professionals together to discuss addiction treatment industry trends, ethics, and care for patients.

Bob is a certified KRI Yoga teacher studying worldwide. His passion for being of service has helped him in multiple roles throughout his career. Bob believes an essential piece of recovery is being there for clients to meet them where they are at in their life and then taking them by the hand and helping them find their way.

Babbi Anderson
Outreach Representative

Babbi has worked in the addiction treatment industry for over 40 years, specializing in Outreach and Marketing for the past 36 years.

She has worked for Substance Abuse and Eating Disorder Residential, IOP and Hospital based programs. Balboa Horizons is happy to have Babbi join our team and bring her experience and dedication to addiction treatment to Balboa Horizons.

Babbi is also a certified professional life coach and is delighted to help those struggling with addiction. Throughout her career, Babbi has helped thousands of individuals into recovery. Babbi believes an essential piece of recovery is being able to receive fulfillment in life through service to others.