Griffen M. Halko, M.S.
Psychological Associate #94028400
Licensed Advanced Alcohol and Drug Counselor (LAADC)
Director of Program Development & Community Outreach

Griffen M. Halko, M.S., is a compassionate and skilled clinician dedicated to helping individuals and families overcome challenges related to substance use, behavioral issues, communication breakdowns, and emotional struggles. As a Psychological Associate in California, Griffen is in the final year of his doctoral program and is supervised by Dr. Barbara Burt. His blend of clinical expertise, personal experience, and client-centered care makes him a trusted partner in your journey toward personal growth and healing.

Griffen specializes in working with adolescents, adults, and families facing a variety of challenges, from addiction recovery to improving communication, managing conflict, and addressing maladaptive behaviors. Whether you are struggling with emotional regulation, family conflict, or substance use, Griffen provides personalized, evidence-based support to help you move forward with confidence.

In addition to his clinical work at Rhombus Counseling, Griffen serves as the Director of Program Development for Claremont Counseling and Support Center and Chino Hills Counseling. He is also the lead author of Chances for Change, a behavioral skills-based program designed to help individuals develop healthier habits, improve decision-making, and enhance emotional resilience.

Griffen has extensive experience working with young adults, offering practical strategies for overcoming conflict, improving relationships, and managing stress. He also collaborates with organizations like the California Highway Patrol, MADD, and UCR, bringing educational programs like Every 15 Minutes and Start Smart to schools and communities.

If you or your family are seeking help for addiction, behavioral issues, or emotional challenges, Griffen Halko provides the tools, guidance, and empathy needed to build a healthier and more fulfilling life.