Our Team

James Moore, PhD received a BA in Psychology from Southern Illinois University-Carbondale and an MA and PhD in Clinical Psychology from the University of Missouri-Columbia.  He completed his residency in Clinical Psychology at the Seattle VA Medical Center and a two-year Fellowship in Health Services Research and Development through the University of Washington and Seattle VA Medical Center.

Before co-founding the Rehabilitation Institute of Washington with Dr. Kroll, Dr. Moore served as the Director of the Pain Clinic at the Seattle VA Medical Center and the Co-Director of the Pain Management Program at Virginia Mason Medical Center.  He has specialized in chronic pain management for 30 years, and has been active in research and teaching in the area of chronic pain, and has published widely in this area.

Dr. Moore enjoys helping persons with chronic pain to learn skills that will allow them to return to healthy, active and meaningful lifestyles.

Heather Kroll, MD received a BA in Mathematics from UC Berkeley and an MA in Physical Therapy from Stanford University.  She received her MD from the University of Washington, School of Medicine where she also completed her residency in Physical Medicine and Rehabilitation.

Dr. Kroll practiced as a physical therapist for eight years prior to returning to school for her MD degree.  For the last ten years, she has worked primarily in pain management and with patients with musculoskeletal injuries, first at the Multidisciplinary Pain Clinic at the University of Washington and then at Virginia Mason Medical Center.  Dr. Kroll has a particular interest in working with patients with complex musculoskeletal problems, identifying the movement and biomechanical factors that lead to chronic symptoms.  She co-founded the Rehabilitation Institute of Washington with Dr. Moore so that she could continue to work with a team of skilled professionals to help patients with all aspects of their chronic pain problems to regain function and diminish disability.

Dr. Kroll is board certified in Physical Medicine and Rehabilitation, with subspecialty certification in Pain Medicine.

Sean J. Tollison, PhD received his doctorate in clinical psychology from the University of Washington in 2010 then completed a one-year post-doctoral fellowship in interdisciplinary treatment of substance abuse at the Seattle VA Medical Center. Since joining the team at the at the Rehabilitation Institute of Washington, he has strived in his role as a pain psychologist and clinical director of the pain management program to work with people in facilitating recovery from injury using mind-body, acceptance, and motivational approaches. He emphasizes the importance of incorporating patient values and building relationship to not only facilitate the rehabilitation process, but also help people re-establish quality of life and sense of fulfillment.

In addition to his work at RIW, he has provided various presentations and trainings on psychological approaches to facilitating recovery from persistent pain/disability and motivating behavior change for The Foundation of Medical Excellence, Professionals in Worker’s Compensation, and International Association of Rehabilitation Professionals.

When not at RIW you can find him cheering wildly (and maybe a little uncontrollably) at Seattle Sounders games or romping through the mountains and jumping into the glacial lakes of the Pacific Northwest.

 

Matthew McFarland MS, CCC-SLP, CDMS, CBIS received his BA in Communication Sciences and Disorders from Western Washington University in 2016. Due to a specific interest in acquired neurogenic communication disorders, he pursued a Master of Science degree in Medical Speech Language Pathology at the University of Washington, which he earned in 2018.

Matthew became a staff member at RIW following a summer internship here that same year. He received his Certificate of Clinical Competence (CCC) and Certified Brain Injury Specialist (CBIS) certificate in 2019. In 2021, Matthew accepted the role of Clinical Director of the Brain Injury Rehabilitation Program.

Matthew is always exploring ways to enhance the services that he provides specific to injured workers and in 2025 he acquired his Certified Disability Management Specialist (CDMS) certificate. In his spare time, Matthew runs a small animal rescue, enjoys bouldering with friends, and is a passionate Seattle Storm fan.

Dr. Zumsteg received her MD from the University of Chicago, Pritzker School of Medicine and completed residency in Physical Medicine and Rehabilitation (PM&R) at the University of Washington. She has practiced medicine in the Seattle area for over 20 years in both academic medicine and community practice, caring for patients in settings including acute inpatient rehabilitation, acute hospital consultation, and outpatient clinic. She values collaborative rehabilitation team management and enjoys both consultation and co-management to serve patients and program stakeholders.  Overall, she strives to support people in optimizing their function, health and well-being through pharmacologic and non-pharmacologic treatments as part of a multidisciplinary team, with attention to individualized goals, work, and life roles as members of our shared community. Dr. Zumsteg is board certified in Physical Medicine and Rehabilitation, with subspecialty certification in Brain Injury Medicine.

Dr. Chong has been in practice since 1993, starting at the Detroit Medical Center.  In 1999, he missed the rain, and relocated back to the northwest.

Dr. Chong is from Canada, where received his medical degree from the University of Calgary, Alberta and is board certified by the College of Family Physicians, the Royal College of Physicians & Surgeons, Canada, and the American Board of Physical Medicine & Rehabilitation.

He is on staff at Swedish Medical Center, and is a consultant for the International Community Health Services.

Dr. Sanders is board certified through the American Board of Professional Psychology and a member of the American Academy of Clinical Neuropsychology. She has more than 25 years experience working in clinical and academic settings. She earned a Master’s Degree in guidance and counseling from the College of Idaho and a Bachelor of Music from the University of the Pacific Conservatory of Music.  Outside of RIW, you may catch Dr. Sanders sharing her many talents with the community during a performance in one of her auditioned music ensembles, or volunteering to support the unhoused and disabled.

 

Kelsey Wozniak, PA-C, received her bachelor’s degree in Speech and Hearing Sciences from the University of Washington in 2001. After working for a couple of years in the field of special education, she shifted gears and became a Certified Nursing Assistant. She worked as a CNA in a skilled nursing facility briefly before moving to the outpatient rehabilitation clinic at Harborview Medical Center for the following 4.5 years. She returned to the University of Washington and graduated from MEDEX Northwest in 2013 with her Master’s degree in Clinical Health Services. After becoming board certified as a physician assistant, Kelsey went on to work as a locums tenens PA in primary care with Indian Health Services prior to joining RIW in 2015. She enjoys supporting patients as they work towards their goals.

When she is not at work, Kelsey can be found kayaking, reading and gardening.

Kiersten Sechrist, LMHC began working in the field of mental and behavioral health in 2012 while pursuing a bachelor’s degree in psychology, and received her master’s degree in professional counseling from Liberty University in 2017. Before joining RIW, she worked in a variety of settings, assisting people in finding hope and direction through life’s struggles. She believes one’s thoughts, emotions, body and behaviors are all closely linked together and thus enjoys working as part of a multidisciplinary team to help patients reach the best possible outcomes.

Kate began her psychometry apprenticeship in 1999 under the tutelage of board-certified neuropsychologist William A. Burkhart, Ph.D., ABN, in Seattle, Washington.   After completing 4 years working closely with her mentor, She accepted a position at the University of Washington Medical Center – rehabilitation department as a psychometrist.  Over the last 20+ years She has had the opportunity to work with a number of neuropsychologists in the Seattle area who specialized in traumatic brain injuries, movement disorders, stroke and dementia.

Megan Dahl earned her BA in Psychology from Central Washington University in 1997, at which time she entered the field of private sector Vocational Rehabilitation. She earned her Master’s in Rehabilitation Counseling from Western Washington University in 2004 which allowed her to later earn her certification as a CRC. Megan has worked passionately as a Vocational Rehabilitation Counselor both with L&I Worker’s Compensation and in the forensic arena. Educating and supporting those individuals who have sustained work injuries is of utmost importance to Megan. As a PNW native, she enjoys spending time with her two daughters, her family and reading a good book in the sunshine.

 

Sarah Christensen received a BS in Biology from Bradley University.  Following a career as a high school science teacher and coach, she completed a Master in Physical Therapy degree from Northwestern Medical School in  1995.  Sarah has worked in various Physical Therapy settings including sports medicine and spine clinics, nursing homes and hospitals.  She has worked with her current colleagues for the past fifteen years involving chronic pain management and work reconditioning, and has been at RIW since 2005.

 

Tracy is originally from Montana but was educated at the University of Washington where he received his BA in Psychology in 1993 and then his BS in Physical Therapy in 1996. He has worked in many different areas of PT giving him a well-rounded practical approach toward his current position at RIW. He is one of RIW’s founding members and currently part owner of the clinic. For 30 years, he has held a strong commitment toward helping people recover from their persisting pain. He has been a featured speaker for the PWC or Professionals in Workers Compensation where he lectured on recovery from persisting pain. Outside of his work, he likes to spend his free time with his family and friends, playing golf, bowling, and traveling.

 

After receiving his BS in Exercise Physiology from Oregon State University and his Master of Physical Therapy from the University of Puget Sound, Randy worked for eight years at Virginia Mason, specializing in chronic pain, spine care and pain management/work conditioning. Randy has been at RIW since 2005, treating patients with chronic pain and disability.  He has also been a featured speaker at several Continuing Education Courses for Primary Care Physicians, Nurse Case Managers and Vocational Counselors regarding spine care and injured worker rehabilitation.

Linda Trafton received her BS in Physical Therapy from the University of Washington in 1991.  She then practiced for 14 years at Virginia Mason Medical Center in the pain management program and research studies involving patients with ALS or Lou Gehrig's disease before joining the team at RIW in 2005. Linda received her doctorate degree in Physical Therapy in 2006 from the Arizona School of Health Sciences.

 

Barb Mierzwa received her BS in Occupational Therapy from Queen's University in Kingston, Ontario, Canada, then practiced Occupational Therapy for the past twenty years doing inpatient rehabilitation, acute care, outpatient rehabilitation, neurological rehabilitation, and pain management /work conditioning. Barb has been treating patients at RIW since 2005.  She enjoys working with patients who have chronic pain and understands how it has impacted their daily life.

 

After receiving her BA in Business Administration from Western Washington University and her BS in Occupational Therapy from the University of Washington, Tracy practiced for 5 years at Virginia Mason in work injury rehabilitation before bringing her skills to RIW in 2005. She has special interest in work injury prevention, industrial rehabilitation, chronic pain and office ergonomics.

 

Joe received his Master of Occupational Therapy degree from the University of Washington in 2015. Before joining RIW in 2021, Joe worked in a variety of settings including industrial rehabilitation and hand therapy. He enjoys helping clients return to their desired activities and maximize their overall function.

Tondra Sheldon graduated from Greenriver Community college in 2007 obtaining an AAS Degree in the Occupational Therapy Assistant program.  She did a clinical at a privately owned clinic specializing in industrial rehabilitation in July 2007- Aug. 2008, and was invited to join the staff where she worked for one year. Wanting to broaden her field of experience she took a position working in Adult Day Health with a Multicare clinic in order to work with multiple diagnoses. However she missed working with people in the industrial work setting, and joined the RIW team in 2009. Tondra loves working with people and  enjoys helping them to return to gainful employment or reach the highest quality of life that they can realize.

Scott graduated in 2020 receiving his AAS Degree from the Occupational Therapy Assistant program at Lake Washington Institute of Technology. Prior to joining RIW in 2021, he worked in industrial rehabilitation and work hardening. He currently serves as Secretary on the executive board for the Washington Occupational Therapy Association and as an executive board member of HeadStrong, a local organization supporting survivors of brain injury and their families. He has previous experience mentoring individuals living with brain injury and enjoys helping people realize their full potential and return to the activities that are meaningful to them.

Hope received a BS in Speech Pathology and Audiology and Psychology from James Madison University. After living in London, Croatia and Bali teaching English, she settled in the beautiful Pacific NW. She has worked in a variety of settings including neurodevelopmental centers and a tribal school.

Karin manages the day to day operations of the office. She is the person responsible for billing, bookkeeping, and other financial functions of the clinic.

Katrina is one of our friendly receptionists, as well as our medical billing specialist.  She is available to answer any questions about our services, insurance coverage, and billing and payment, and strives to create a positive experience for everyone visiting RIW.  Katrina is also bilingual, and can assist patients and clients that speak Spanish.

Hannah is one of our patient coordinators and is responsible for ensuring a smooth and supported patient experience. Whether she's working with stakeholders to manage patient care, problem-solving psychosocial barriers to improve access to care, or counseling patients on navigating the complicated worker's compensation system, Hannah is always willing to offer a helping hand.

 

Fiona is one of our patient coordinators whose primary role is facilitating incoming referrals and providing case management to support a patient's evaluation experience. When Fiona isn't providing direct help to patients and providers, you'll find them behind the scenes working on authorization requests, scheduling evaluations, or providing creative solutions to address patient needs and ensure excellence of care.

When you visit RIW, you will likely see Khi buzzing around supporting the medical team. Whether it’s rooming patients, taking vitals, chasing records, or acting as liaison, Khi is the first contact for most clients. Khi received his BA in Psychology from Eastern Washington University and has worked in healthcare for more than 7 years.

 

Richard is the front desk manager. A jack of all trades, Richard’s role is to ensure the clinic runs smoothly and providing support for patients and staff. You will see Richard’s smiling face at the front desk, greeting all who come in or he may be getting you roomed for your visit with the clinician. Richard has worked in healthcare customer service and administration since 1998 and is ready to help you. In his spare time, Richard is a dog dad to two hairless dogs, a casual video gamer, and an avid audio book listener.