Stien Jasinski, Psy.D.
Registered Psychological Associate


  • California
  • Telehealth
  • Treats adults

In Dr. Jasinksi’s approach to treatment, she utilizes evidence-based practices and draws from holistic psychotherapy, acceptance and commitment therapy (ACT), and affirmative therapy. Her experience centers around working with adults in individual and group settings. She has experience with crisis stabilization, anxiety and depression, conflict resolution, substance use disorders, and treatment within the military and LGBTQ+ communities.

Dr. Jasinksi is most passionate about delivering authentic, collaborative, and direct care to her clients so they may live the lives they’ve envisioned for themselves while functioning at their highest potential. She works clinically with the supervision of Dr. Valencia Harriott (PSY CA #32507) as she completes her final steps toward licensure.

Outside of her work as a therapist, she is an avid camper and enjoys practicing yoga.

Licensure Information

PSB CA #94025633

Dr. Jasinski

•Addictive Behavior

•Anger Management


•Attachment Issues

•Attention-Deficit/Hyperactivity Disorder (ADHD/ADD)

•Autism Spectrum Disorder (High-Functioning)

•Bipolar Disorder

•Borderline Personality Traits

•Challenging Behaviors

•Conflict Resolution

•Crisis Support

•Dependent Personality Traits


•Emotion Regulation

•Executive Functioning


•Interpersonal Dynamics

•Irritable Bowel Syndrome (IBS)

•LGBTQ+ Affirmative

•Life Transitions

•Mood Disorders

•Obsessive-Compulsive Disorder (OCD)-Mild to Mod

•Panic Attacks




•Post-Traumatic Stress Disorder (PTSD)

•Problem Solving

•Psychosis (Mild, High-Functioning)

•Racial Stress



•Social Skills

•Stress Management

•Substance Abuse (Early/Prolonged Remission)

Treatment Approach

•Acceptance and Commitment Therapy (ACT)

•Affirmative Therapy

•Attachment Theory

•Behavioral Activation

•Behavioral Therapy

•Behavioral Parent Training

•Cognitive Behavioral Therapy (CBT)

•Cognitive Behavioral Therapy for Insomnia (CBT-I)

•Culturally Sensitive

•Dialectical Behavioral Therapy (DBT)

•Exposure Therapy with Response Prevention


•Motivational Interviewing

•Positive Psychology

•Prolonged Exposure (PE)

•Sex Positive

•Solution-Focused Brief Therapy

•Unified Protocol

•Virtual Reality Exposure


Psy.D., California School of Professional Psychology, Clinical Psychology  

M.A., California School of Professional Psychology, Clinical Psychology  

B.S. Boston University, Psychology


BHC Alhambra Hospital, Rosemead, CA, Doctoral Intern

Veterans Village of San Diego, Therapist Trainee

Zendo Project (MAPS), Santa Cruz, CA, Supervisor

Center for Anxiety and Related Disorders, Boston University, Research Assistant

Individual Therapy Rate

Dr. Jasinski’s fee per session is $225. For more information about our pricing, check out our FAQs.

See all clinicians

Since working with Dr. Jasinski, I'm experiencing so much more pure joy, and I don't think I've ever experienced joy in my life until now. Thank you!

—TLK Client

Since working with Dr. Jasinski, I'm experiencing so much more pure joy, and I don't think I've ever experienced joy in my life until now. Thank you!

—TLK Client

Elizabeth Collison, Ph.D.
Licensed Clinical Psychologist


Elizabeth is a licensed psychologist who aims to provide a caring, person-centered approach while delivering effective and high quality evidence-based psychotherapy.

Elizabeth has expertise in providing cognitive behavioral therapy (CBT) and often incorporates concepts from Acceptance and Commitment Therapy (ACT) and Dialectical and Behavior Therapy (DBT) to help treat individuals struggling with depression, anxiety, trauma, adjustment to major life changes, and/or general stress. She has specialization in the area of behavioral medicine and is passionate about addressing physical health problems that are closely associated with emotion and behavior (e.g., sleep problems/insomnia, weight management, and smoking). She believes in partnering with her clients for decision-making and incorporates use of motivational interviewing to facilitate behavior change that is client-centered.

Elizabeth has prior experience working in medical settings where she focused on supporting individuals living with chronic illness (e.g., diabetes, chronic pain, heart disease, etc.) or life limiting conditions (e.g., cancer, ALS, Parkinson's) that may impact quality or quantity of life. Elizabeth has additionally worked with individuals at end-of-life and their families and loved ones through the grief journey. Her overarching direction is to help people pursue health and meaning throughout the course of their lives.

She received her doctoral degree (PhD) in clinical psychology from Virginia Commonwealth University with a concentration in behavioral medicine. Her predoctoral internship was completed at the Palo Alto VA Medical Center with an emphasis in behavioral medicine and she additionally completed a postdoctoral fellowship at the Milwaukee VA Medical Center in palliative care psychology. She has worked with adults of all ages and various backgrounds. With regard to multicultural awareness, she appreciates the ADDRESSING framework as one method for considering the multifaceted aspects of identity and privilege for herself and her clients. She celebrates diversity and welcomes feedback so that she can better adapt her treatment approach to your individual needs.

Though she can’t help herself from bringing up psychology-related topics everywhere she goes, Elizabeth’s life would not be complete without her passions for music and spending time in nature. She most enjoys watching live performances, playing piano and flute, going on hikes with her family, reading/watching sci-fi, doing crossword puzzles, and snuggling with her dog. Elizabeth provides all care virtually via telehealth.

She is available to provide any and all treatment plans offered at Therapy Lab, and she especially loves these:

She additionally can offer Healing from Prolonged Grief