Christopher Spaulding

Executive Director

Christopher Spaulding, Executive Director of Olympia House RehabChristopher Spaulding brings a long career of business consulting, retail service, and nonprofit work to his role as Executive Director of Olympia House. A graduate with a Master in Business Administration from The Tuck School of Business at Dartmouth, his past strategic advisory consulting has benefited numerous organizations and Fortune 500 companies. His nonprofit experience has provided service to the environmental sector, public policy, and civil society.

Joining the executive team at Olympia House in 2014, Christopher worked alongside then ED Dr. Wayne Thurston and is credited with turning innovative ideas into actual policies. His commitment to our staff is only equal to the commitment he has made to each of our residents. Under his leadership, Olympia House continues to maintain and improve the quality of its programs, enhance the organization’s soundness, and extend its outreach to those responsible for finding the right program for their patients, and for those who have great concern for their loved ones, be they family or friends.

Senadhi Parakrama, Psy.D.

Psychologist & Clinical Director

Senadhi Parakrama

Dr. Senadhi Parakrama is a licensed clinical psychologist who has been working in the field of mental health and co-occurring disorders since 2001. Born in Sri Lanka, he moved to the US when he was four. He grew up on the east coast in Washington DC before completing his undergraduate work at Vassar College in upstate NY. He earned his BA in psychology while doing fieldwork at programs in the area, including group homes, rehab centers, and prisons. After graduating, Dr. Parakrama moved to Manhattan where he worked as a supervisor and case manager at a residential home for formerly homeless and chronically mentally ill populations. Dr. Parakrama left Manhattan and moved to the bay area to complete his doctorate in clinical psychology at the Wright Institute in Berkeley. His clinical training at the Wright Institute extended to inpatient psychiatric hospitals, crisis residential facilities, jails, and outpatient clinics. These training experiences expanded his understanding of populations struggling with severe mental illness, addiction, and the experience of being trapped within systems and within one’s own mind.

Dr. Parakrama’s experience and training have led him, as the Clinical Director of Olympia House, to focus on developing an individualized treatment for those struggling with addiction and co-occurring disorders, so they can break out of the long terms traps they have been stuck in, and finally experience a sense of freedom. In addition to working at Olympia House, Dr. Parakrama has lectured and provided training at local universities, schools, and clinics on addiction treatment. He has a (telehealth) consultation practice where he works with families, couples, providers, and alumni from Olympia House, on a short-term basis, to help provide assessment, guidance, and direction on treatment. Dr. Parakrama is passionate about continuing to understand, research, and collaborate on how to provide the most effective treatment for addiction.

Wayne Thurston, Psy.D.

Psychologist, Board Member & Former Executive Director

Dr. Wayne ThurstonDr. Wayne Thurston is credited for his vision and his work to establish Olympia House. That vision included viewing each resident as a whole person rather than a set of symptoms; an integrative and holistic style of treatment that uses a variety of therapeutic modalities; and the developing of a treatment plan that truly caters to the individualized needs of each resident of Olympia House.

Although Dr. Thurston recently retired from his daily role with Olympia House, he remains a Board Member at Large and continues to offer his knowledge of clinical psychology for the betterment of our ongoing work.

Wendy Walsh, Ph.D.

Clinical Psychologist

Wendy Walsh, Ph.D. is a licensed Clinical Psychologist with more than 20 years of counseling and leadership experience in the treatment of addictions. Dr. Walsh graduated from the California School of Professional Psychology with a Ph.D. in Community/Clinical Psychology in 1995. Beginning in 1997, Dr. Walsh served for several years as the Drug Abuse Program Coordinator at the Federal Correctional Institute, Safford Arizona. After returning to California, she worked for managed behavioral health care, and then a number of California Correctional Institutions while also maintaining a private practice. Beginning in 2012 Dr. Walsh initially filled the role of Assistant Clinical Director and then Clinical Director of a number of addiction treatment centers in the Los Angeles area. Dr. Walsh recently returned to Northern California where she previously completed her undergraduate education.

Dr. Walsh is also skilled in treating the co-occurring disorders that often accompany chemical dependency and working with the families of our residents. Her approach to treatment utilizes Cognitive Behavioral Therapy (CBT), Dialectical Behavioral Therapy (DBT), and a family systems approach. Dr. Walsh also specializes in meeting the specialized needs of our LGBTQ residents. In addition to her work at Olympia House, she also serves as a board member for Positive Images, which addresses the needs of LGBTQ youth in Santa Rosa, California.

Andrea Clark, Psy.D.

Psychologist – Director of Outpatient Services


Dr. Andrea Clark is a licensed psychologist who has worked in the field of mental health and co-occurring disorders since 2004. Before working at Olympia House, she was a Regional Director of Mental Health Services for a large nonprofit organization. In this position, Dr. Clark provided clinical and programmatic leadership to staff in mental health, addiction, homeless shelter, case management, crisis stabilization, and outpatient settings serving disenfranchised populations.

Dr. Clark’s work in diverse community settings has given her a comprehensive understanding of the impact of addiction and mental health disorders on individuals and families. Through evidence-based therapeutic interventions and educational experience, Dr. Clark’s approach to serving individuals comes from a collaborative, client-centered orientation that supports each person in their recovery process. At Olympia House, Dr. Clark empowers individuals to pursue heightened self-awareness and increased motivation to change.

Dr. Virginia M. Bassi, Ph.D.

Clinical Psychologist

Dr. Bassi is a licensed clinical psychologist and behavioral specialist who has worked in the field of mental health and behavioral issues since 1987. With a wide variety of experience from working with Alameda County’s Mental Health Court Project, Kaiser Hospital, and as a founding member of Partners Training and Consulting, Dr. Bassi has worked with patients in a variety of settings and all over the world, including helping develop special-needs education programs in Kyiv, Ukraine.

Dr. Bassi’s experience in the field of behavioral psychology helps her to create treatment plans to help those struggling with addiction and co-occurring disorders.

Suzanne Dunne, LCSW

Licensed Clinical Social Worker

Suzanne Dunne is a licensed clinical social worker, who graduated from UCLA with a Master’s Degree in Social Work and has worked as a clinical social worker since 1991. With experience in individual, group, and family psychotherapy, psychosocial assessment, and mental health programs for children and adults, Ms. Dunne is well qualified to provide assistance in creating treatment plans that aid not on the patient, but their family and loved ones.

Ms. Dunne’s contributions to Olympia House’s programs are an important part of the treatment process.