Dr. Calle Pierson, Licensed Clinical Psychologist

Pronouns: She/Her/Hers

License #3204

My name is Dr. Calle Pierson and I am an 8th generation Oregonian. I was born and raised in Clackamas County. I moved to Seattle, Washington to complete my undergraduate education in psychology. While attending Seattle University, I lived in Austria and studied the Personality Theorists: Sigmund Freud, Carl Jung, Alfred Adler, and Viktor Frankl. After graduation, I moved to southern Georgia to be with my partner, who was in the United States Air Force. I joined AmeriCorps VISTA and worked with both the Boys and Girls Club and the Oregon National Guard.

During my graduate school education, I worked at a variety of clinics with a variety of clients. I have worked in both community mental health clinics and academic settings, including colleges and JobCorps. I also engaged in several volunteering positions in both the academic and mental health fields (e.g., College of Health Professions Appeal Subcommittee Member, 2015 APA Conference Class Monitor). I completed an APA-accredited pre-doctoral health psychology internship at the University of Idaho with a focus on crisis intervention and risk management and I also completed my post-doctoral residency at the University of Portland. I became a licensed clinical psychologist in 2020.

In my spare time, I enjoy spending time with my two dogs and my family. I am an avid aquarist and enjoy spending time reading, watching movies, and being outdoors.

Treatment Orientations

As a therapist, I strongly believe in collaboration between therapist and client and that the client is the expert on the topic of their own life. It is my goal to help you feel comfortable and confident in your life and help you obtain your goals. I am an integrated cognitive behavioral therapist and use tools, skills and information from a variety of theoretical orientations. I was originally trained in Acceptance and Commitment Therapy (ACT) and I also use tools and skills from Cognitive Behavioral Therapy (CBT) and Dialectical Behavioral Therapy (DBT) as well as other methods, such as self-compassion and Solution-Focused Therapy (SFT).

I am also heavily influenced by the work of Viktor Frankl. Predominately by his belief that we cannot always change our circumstances but that we are in control of ourselves and how we choose to address both successes and challenges. This is a lens I use often in therapy and encourage clients to consider what values drive their behavior as well as how they can look at challenges from different angles to find solutions.

I welcome all races, all religions, all socio-economic status, all sexual orientations, all gender identities and expressions, all abilities, all ethnicities, all bodies, ALL PEOPLE.

I provide individual therapy to adults who may be experiencing:

  • Anxiety & other anxiety-related concerns (e.g., rumination, worry)
  • Depression & other depression-related concerns (e.g., low mood, low self-worth)
  • Traumatic experiences (e.g., generational, current)
  • Life changes (e.g., divorce, “empty nest,” moves)
  • Lifestyle changes (e.g., related to health concerns)
  • LGBTQA2s+ topics
  • Life goal concerns (e.g., “Where do I go from here?”)
  • Caregiver concerns
  • Family concerns
  • ADHD
  • Self-esteem & self-image concerns
  • Grief & loss
  • Shame
  • Guilt
  • Stress management
  • Maladaptive behaviors


2019-2020 Post-Doctoral Residency: University of Portland Health & Counseling Center

2016-2019 Doctoral Candidate (PsyD): Pacific University School of Graduate Psychology
2018-2019 APA-Accredited Pre-Doctoral Health Psychology Internship: University of Idaho Counseling & Testing Center
2017 Doctoral Dissertation Defended

2014-2016 Master of Arts (Clinical Psychology): Pacific University School of Graduate Psychology

2015 Graduate Certificate of Gerontology: Pacific University

2007-2010 Bachelor of Arts (psychology, Cum Laude): Seattle University

Research Experience

2015-2017 Doctoral Dissertation: Pacific University School of Graduate Psychology Doctoral Dissertation – Successfully defended March 2017
Chair: James Lane, Ph.D.
Reader: Paul Michael, Ph.D.

Caregiver Burden, Self-Perceptions, and Aging The aim of this longitudinal, observational study was to assess how caregivers view their own aging process and if social support or intrapsychic resiliency mediate the relationship between caregiver burden and self-perceptions of aging. The data was collected via online surveys. It was found social support mediates this relationship while resiliency does not.

2009 Undergraduate Research Project: Seattle University
Supervisor: Kathleen Cook, Ph.D.
Life Satisfaction and Sexual Confidence
The aim of this study was to assess the relationship between life satisfaction and sexual confidence of college-aged (18-22-years-old) females. Data was collected via online surveys. It was found that participants with higher life satisfaction also had higher levels of sexual confidence.


Pierson, C., Nichols, A., & Blanco, K. (2019, April). Finding Wonder Woman. Oral presentation to attendees at the 2019 Women’s Leadership Conference. Moscow,

Pierson, C., Lane, J., & Michael, P. (2017, May). Caregiver burden, self-perceptions, & aging. Poster presented at the annual conference of the Oregon Psychological Association, Eugene, OR.

Lee, M. & Pierson, C. (2017, May). Problem Solving, Coping with Stress, and Interpersonal Effectiveness in Tutoring. Oral presentation to tutoring staff at Clackamas Community College, Oregon City, OR.

Pierson, C. (2017, March). The Diversity Talk. Oral presentation to Psychology 101, Clackamas Community College, Oregon City, OR.

Kline, D., Lee, M., & Pierson, C. (2017, February). Problem-Focused and Solution-Focused Coping. Oral presentation to Staff at Clackamas Community College, Oregon City, OR.

Pierson, C. (2016, November) The Development and Impact of Values on the Self and the Community. Oral presentation to Humanities 160, Clackamas Community College, Oregon City, OR.L

Pierson, C., & Schaefer, S. (2016, September). Time Management. Oral presentation to Administration and Support Staff at Clackamas Community College, Oregon City, OR.

Pierson, C. & Vladagina, V. (2016, July). Depression & Older Adults. Oral presentation to Washington County Disability and Aging Services staff. Hillsboro, OR.

Elberts, R., Ehlers, K., Lis, P., & Pierson, C. (2015, November). Depression & Elders. Oral presentation to the Alzheimer’s Association – Oregon Chapter, Portland, OR.

Bacon, K., Pierson, C., & Vladagina, V. (2015, December). The Case of “Jazz”: An ACT Perspective. Oral presentation given at Pacific University’s Clinical Grand Rounds, Portland, OR.