Effective Change

Mary M. Clark, Ph.D.

Licensed Psychologist
AASECT Certified Sex Therapist

With clinical experience spanning 35 years, Dr. Clark is a California licensed Psychologist and Marriage and Family Therapist with certification as an AASECT Sex Therapist, Certified Addictions Specialist (CAS) and Clinical Hypnotherapist. She is a Certified Supervisor in Sex Therapy (AASECT) and Psychotherapy (AAMFT).

Areas of Specialization

Dr. Clark works effectively with adults and seniors of diverse cultures in individual and couple therapy. She provides trauma informed care in these areas of specialization:

  • Sexual Dysfunction/Trauma
  • Intimacy and Communication Skills
  • Behavior Problems
  • Intimate Partner Violence
  • Substance Use
  • Stress and Pain Management
  • Hypnotherapy
  • Grief & Loss
  • Anxiety and Depression
  • Life Transitions


  • Sex Therapy
  • Communication Skills
  • Depression/Anxiety
  • Addictions
  • Hypnotherapy
  • Clinical Psychologist (PSY17897)
  • Marriage and Family Therapist (MFT17748)
  • AASECT Certified Sex Therapist
  • Certified Addictions Specialist (CAS)
  • Certified Clinical Hypnotherapist