School of Medicine

Our Clinical Team

Headshot of Marie Soller

Marie Soller, M.D. (she/her), Director
Dr. Soller is an associate professor of psychiatry in the OHSU School of Medicine (SoM), and director of the Resident and Faculty Wellness Program (RFWP) and the SoM Peer Support Program. She completed her undergraduate and medical education at Stanford University and her psychiatric residency at San Mateo County Behavioral Health and Recovery Services. 

Dr. Soller has a strong interest in positive psychiatry strategies to target both organizational and individual factors, with the goal of improving clinician wellbeing. She has more than ten years of experience caring for physicians, advanced practice providers and research faculty through RFWP. Additionally, Dr. Soller has extensive experience caring for perinatal patients. She uses medication evaluation and management, and psychotherapy (cognitive behavioral, psychodynamic, and supportive therapies) to address distress and promote flourishing. 
Email: soller@ohsu.edu 

Sara Walker

Sara Walker, Ph.D. (she/her), Associate Director
Dr. Walker is an associate professor of psychiatry, core faculty member in the Clinical Psychology Ph.D. Program at OHSU, and a licensed psychologist in the Resident and Faculty Wellness Program. She grew up in Portland, earned a bachelor's degree from the University of Oregon, a master's in counseling psychology, a Ph.D. in Clinical Psychology from the University of California at Santa Barbara, and completed a postdoctoral fellowship in Clinical Neuropsychology at the University of Michigan School of Medicine. 

Dr. Walker returned to Portland to join the OHSU faculty in 2011 and joined the RFWP team in 2021. She has also been active in disaster mental health preparedness and response, as well as environmental sustainability efforts at OHSU, regionally and nationally. She values acknowledging and addressing normal, healthy stress responses, as well as using a multicultural, existential lens to identify, navigate, and potentially grow from other challenges or experiences. 
Email: walkesar@ohsu.edu

Timothy Beecher

Timothy Beecher, Ph.D. (he/him/his)
Dr. Beecher is an assistant professor of psychiatry and licensed psychologist in the OHSU Resident Faculty Wellness Program. He completed his B.S. at Loyola University Chicago, earned his M.Ed. at Washington State University and received a Ph.D. at the University of North Dakota. He has extensive experience working in higher education and is excited to join the OHSU Resident Faculty Wellness team. 

Dr. Beecher's areas of expertise include working with men in therapy, crisis work, and addressing substance abuse from a harm reduction and motivational interviewing perspective. He incorporates a variety of treatment approaches in his work, including interpersonal process therapy, feminist therapy and psychodynamic principles. He is committed to social justice and works diligently to provide culturally responsive treatment. 
Email: beecher@ohsu.edu 

Headshot of Dr. Joanne Chan, smiling

Joanne Chan, Psy.D. (she/her)
Dr. Chan is an assistant professor of psychiatry and a licensed psychologist in the Resident and Faculty Wellness Program at OHSU. In her therapeutic role, she strives to help residents, fellows and faculty navigate a range of issues using Acceptance and Commitment Therapy (ACT) as her primary treatment modality. ACT is a science-based therapy designed to help individuals live with greater purpose and flexibility, especially when feeling stuck or overwhelmed by the pressures of training and practice. 

In sessions, Dr. Chan works collaboratively with clients to uncover what might be holding them back from being who they want to be and to find practical ways to address those barriers. Her approach includes active skills practice between sessions, providing opportunities for clients to experiment with new strategies in real life, reflect on their experiences, and refine their approaches to fit their goals. 

In addition to specializing in ACT therapy, Dr. Chan's areas of expertise include anxiety, perfectionism, imposter phenomenon, trauma, assertiveness and boundaries, and cultural identity-related experiences. With over 20 years of clinical experience, she has run a thriving private practice in the San Francisco Bay Area and trained postdoctoral fellows and psychology practicum students in evidence-based treatment approaches. 

Dr. Chan is a cisgender female, heterosexual, second-generation Chinese-American, married mother from the San Francisco Bay Area. She earned her B.A. in Psychology from the University of California, San Diego, and her Psy.D. from the PGSP-Stanford Psy.D. Consortium in 2008. 

At OHSU, Dr. Chan also leads mindful handwork workshops around campus, sharing creative practices for grounding and well-being, which is one of her favorite ways to serve the community. 

She welcomes those interested in working with her to reach out. Dr. Chan offers brief or longer-term support tailored to individual needs and is always happy to discuss how to help trainees and faculty feel well and fulfilled in their roles. 
Email: chanjoa@ohsu.edu 

Headshot of Mike Duncan, smiling

Mike Duncan, Psy.D. (he/him)
Dr. Duncan is an assistant professor of psychiatry and a licensed psychologist in the OHSU Resident and Faculty Wellness Program. He earned his B.A. in psychology at the University of Colorado Boulder and his M.S. and Psy.D. in clinical psychology at Pacific University. His research has examined risk and protective factors among LGB youth and the relationship between internalized sexual prejudice and sense of belonging in LGB graduate students. 

Dr. Duncan specializes in working with adults navigating stress and burnout, cultivating work-life balance, and developing authenticity and meaning in both personal and professional life. He has a particular expertise in supporting medical professionals, LGBTQ+ individuals, and those experiencing complex identity, relational, or career transitions. His therapeutic approach is rooted in existential and mindfulness-based perspectives, emphasizing curiosity, presence, and meaning-making as pathways to greater freedom and integrity. He integrates cognitive-behavioral strategies to help patients translate insight into practical change, with the goal of fostering more deliberate, connected, and fulfilling lives. 
Email: duncaant@ohsu.edu 

portrait photo of professor Ey

Sydney Ey, Ph.D. (she/her)
Sydney Ey is a professor in the Department of Psychiatry at OHSU and a licensed clinical psychologist in the Resident and Faculty Wellness Program. She also serves on the OHSU Well-Being Team and directs the Wellness Consults for Leaders and Teams as part of her longstanding interest in promoting programming and culture changes that support the well-being of learners and clinicians in the healthcare setting.

Dr. Ey has published on trainee attitudes about help-seeking, the Imposter Phenomenon and Perfectionism, and ways to reduce barriers to physicians seeking counseling. She enjoys working with individuals on identifying their strengths and effective coping strategies to overcome acute and more ongoing stressors. Her approach draws upon cognitive behavioral therapy and positive psychotherapy strategies and ranges from brief coaching to counseling.

Dr. Ey received her B.A. in Psychology from Yale University, her Ph.D. in Clinical Psychology at the University of Vermont and completed her internship at Judge Baker Children’s Center/Boston Children’s Hospital. 
Email: eys@ohsu.edu

Dr. Christie Kesserwani

Christie Kesserwani, D.O. (she/her)
Dr. Kesserwani is an assistant professor of psychiatry and board-certified psychiatrist at the OHSU Resident and Faculty Wellness Program. She completed her B.A. at the University of Southern California and obtained her medical degree at Midwestern University prior to completing her psychiatric residency at the Valleywise Behavioral Health Center in Mesa, AZ. 

Dr. Kesserwani has a special interest in resident physician mental health and founded an inter-departmental therapy group at her training hospital during her final year of residency. She understands the unique challenges faced by physicians in health care today, and utilizes an integrative approach which incorporates therapy, coaching, and/or medication management to help address these challenges. 
Email: kesserwa@ohsu.edu

Dr. Gillian Lashen

Gillian Lashen, Psy.D. (she/her)
Dr. Lashen is an assistant professor of psychiatry and a licensed psychologist in the Resident and Faculty Wellness Program (RFWP). She earned her doctorate in clinical psychology at the University of Denver and completed her internship at Denver Health Medical Center. Prior to joining RFWP she served as behavioral medicine faculty in an internal medicine residency program, with an emphasis on wellness and resilience.

Dr. Lashen previously conducted research with family medicine residents and worked on an inpatient medical unit providing treatment to adults with severe eating and feeding disorders. Her interests include cultivating wellbeing at work, relationship issues, weight bias and body image, and antiracism. She utilizes an integrative approach with a focus on Acceptance & Commitment Therapy, Relational-Cultural theory and cognitive behavioral intervention. 
Email: lashen@ohsu.edu 

Headshot of Dr. Kathryn Starr, M.D.

Kathryn Starr, M.D. (she/her) 
Dr. Starr, a board-certified psychiatrist and assistant professor of psychiatry in the OHSU School of Medicine, received her undergraduate degree at Cornell University, medical degree at Case Western Reserve University, and completed her psychiatry residency at Yale-New Haven Hospital. During residency training, she completed an independent study project looking at factors contributing to burnout in medical trainees. 

Dr. Starr has over 12 years of clinical experience in outpatient mental health, with experience in women’s mental health, trauma at the veteran’s affairs medical center, and managing anxiety and OCD. While working as faculty at the VA, she greatly enjoyed supporting and training residents and fellows, contributing to her interest and experience in addressing burnout and supporting physician well-being. In her practice, she utilizes psychodynamic and behavioral techniques of psychotherapy as well as medication evaluation and management. 
Email: starrk@ohsu.edu