The Cornerstone Mission

We believe in helping people broken by addiction to heal mind, body and spirit. By overlapping science with spirituality, we create an environment where a seemingly miraculous healing event sufficient to bring about recovery can happen rapidly. 

Meet the team

Cornerstone Healing Center is a leading addication treatment center in Scottsdale, Ariizona. We offer Partial Hospitalization, Outpatient and Intensive Outpatient Programs, as well as optional sober housing and ongoing critical support. Our clients remain with us as long as necessary for their success. We offer thorough evaluations to match each client with the right treatment plan, setting them up for the best possible outcome.

Our Clinical Team

Dr. Stacey Smith PhD

Chief Clinical Officer

Stacey is a licensed psychologist in both Arizona and Texas and has been working in the addictions field in residential and IOP settings since 2010. He has a wide variety of experience in the addiction field, including work with individuals who suffer from addictions to alcohol, drugs, intimacy/relationships, sex, and gaming addictions.  Early in his career, Dr. Smith trained in EMDR techniques, knowing the important role that trauma work plays in the recovery process. Most recently, examination of how the brain works and how technology can play a key role in client recovery has been a focus of his work.

Karen Williams

Clinical Director

Karen is a Licensed Professional Counselor specializing in Addiction Recovery, EMDR and Family Systems Theory at Cornerstone Healing Center in Scottsdale, AZ.  She holds a Master’s Degree in Professional Counseling from Grand Canyon University and has nearly 15 years of experience in substance use recovery, and the behavioral sciences.  



Estil has worked in the recovery field for 12 years. He has served as the organization’s’ Executive Director, Board Member and President. Estil has also worked directly with alcoholics and drug addicts inside of the Maricopa County jail system including Tent City, Lower buckeye, Durango and Towers Jail. Additionally, Estil has over 14 years of experience with inside/outside sales, management, networking and digital marketing. He believes that anyone can heal that has the willingness to change.

Marcus Clark

Executive Director/COO

Marcus has worked in the Mental Health / Substance Abuse field for over 5 years. Marcus specializes in developing and managing substance abuse and mental health programs. He has worked with Phoenix Fire and Police Departments developing processes for training, managing, community involvement and coordination between various mental health organizations. He has also worked with Pinnacle Peak Recovery, Scottsdale Providence Recovery Center, as well as three different mental health disorder programs for Community Bridges and Empact SPC.

cornerstonE in the community

Vice News

Interview: Estil Wallace

Escaping Rock Bottom

Interview: Estil Wallace

Start the healing

Call and speak with one of our caring team members about help for you or a loved one.

Most Private Insurances Accepted

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Cornerstone Healing Center

16444 N 91st St, Building H

Scottsdale AZ 85260