Alexandra Tanner, Ph.D.
Licensed Psychologist


  • California
  • In-person, Telehealth
  • Treats adults

Alex is trained in evidence-based cognitive-behavioral and mindfulness-based therapies for mood, anxiety, and trauma disorders, as well as emotion dysregulation, relationship conflict, and postpartum depression and anxiety. Using an integrative and collaborative approach to therapy, Alex’s goal as a therapist is to help clients understand the factors that contribute to and maintain their distress, learn skills to change that which they can control, and practice acceptance around that which they cannot control.

Alex is a full-time psychologist at Therapy Lab, and is also involved in research on digital therapy interventions with the UCLA Depression Grand Challenge. In her spare time, she enjoys cycling, yoga, cooking, and eating with family and friends.

Licensure Information

PSY CA #34509


•Addictive Behavior

•Anger Management


•Attachment Issues

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

•Autism Spectrum Disorder (High Functioning)

•Bipolar Disorder

•Borderline Personality Traits

•Challenging Behaviors

•Chronic Illness/Pain

•Conflict Resolution

•Crisis Support

•Dependent Personality Traits


•Emotion Regulation

•Executive Functioning



•Interpersonal Dynamics

•Irritable Bowel Syndrome (IBS)

•LGBTQ+ Affirmative

•Life Transitions

•Maternal and Women's Health

•Mood Disorders

•Obsessive-Compulsive Disorder (OCD)

•Panic Attacks



•Problem Solving

•Racial Stress



•Social Skills

•Stress Management

•Substance Abuse (Early/Prolonged Remission)


Treatment Approach

•Acceptance and Commitment Therapy (ACT)

•Affirmative Therapy

•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


•Integrative Behavioral Couple Therapy (IBCT)


•Motivational Interviewing

•Positive Psychology

•Solution-Focused Brief Therapy

•Unified Protocol

•Virtual Reality Exposure


Ph.D., University of California-Los Angeles, Clinical Psychology  

M.A., University of California-Los Angeles, Clinical Psychology  

B.A., Dartmouth College, Psychology and Brain Sciences


New York Presbyterian/Weill Cornell Medical Center, Clinical Psychology Intern

UCLA Psychology Clinic, Clinical Psychology Extern

UCLA Semel Institute for Neuroscience and Human Behavior, STAND Program, Clinical Psychology Extern

VA Long Beach Healthcare System, Clinical Psychology Extern

Individual Therapy Rate

Alex’s fee per session is $250 for individuals and $325 for couples. For more information about our pricing, check out our FAQs.

See all clinicians

Dr. Tanner was very receptive and caring. She helped me so much during this journey. Thank you!

—TLK Client

Dr. Tanner was very receptive and caring. She helped me so much during this journey. 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