About Me

Dr. Katherine Ko is a clinical psychologist specializing in individual psychotherapy.  She enjoys working with adolescents and adults.  With over 20 years of experience, she works with a broad spectrum of clients.  Among her areas of expertise are lifestyle and health management, stress management, depression and anxiety management, life coaching, parenting support, conflict resolution, and divorce mediation.  In addition to her private practice, Dr. Ko provides training on conflict resolution and divorce mediation.  She also presents at national conferences and local communities on various topics she is passionate about.

Dr. Ko is an interactive, solution-focused therapist. Her therapeutic approach is to provide support and practical feedback to help clients effectively address personal life challenges. She integrates complementary methodologies and techniques to offer a highly personalized approach tailored to each client. With compassion and understanding, she works with each individual to help them build on their strengths and attain the personal growth they are committed to accomplishing.

As a compassionate and trustworthy mediator to help couples through their divorce, Dr. Ko's approach encourages collaboration and is efficient and effective.  She helps divorcing partners resolve conflictual issues and end their marriage in a healthy and positive manner, allowing for the best outcome that meets the needs of the family and children through this difficult situation with respect and integrity. 



Ph.D. degree from California School of Professional Psychology, Berkeley 

M.A. degree from California School of Professional Psychology, Berkeley

B.A. degree from California Polytechnic University, Pomona

License & Certifications

Licensed Clinical Psychologist in California

CRT-Certified Divorce Mediator

Additional Training

5150 Crisis Assessment 

Professional Activities and Memberships

American Psychological Association

Please contact me at 949-973-1137


Appointment Times

Current waiting period for initial appointment is approximately 3 months. Thank you very much for your patience.


10:00 am-5:00 pm


11:00 am-5:00 pm


10:00 am-5:00 pm


10:00 am-5:00 pm