At-Large Board Members


Brian Barry

Mr. Barry joined Kadlec Regional Medical Center as Chief Operating Officer of Kadlec Clinics in May 2016. Previously, he served as the Regional Vice President of the Ambulatory Network for SSM Health’s Mid-Missouri region. Prior to an exclusive focus on ambulatory operations, Mr. Barry was the VP of Strategy and Business Development at SSM Health’s St. Mary’s Hospital where he held operational oversight over the medical group. He has a long career in strategic planning and business development holding positions at St. Mary’s Medical Center in Grand Junction, CO and in the Front Range of Colorado at Catholic Health Initiatives and Centura Health.

Mr. Barry holds a B.S. in Business Administration from the University of Colorado in Boulder and an M.A. in Political Science from Colorado State University, in Ft. Collins, where he focused on Environmental Policy and Public Administration. Mr. Barry has served as a former board member for many professional, civil and personal organizations including Colorado’s ACHE chapter, The Grand Junction Visitor and Convention Bureau and the Capital City Soccer Club.


Karin Larson-Polluck, MD, FACHE

Karin Larson-Pollock, MD, MBA, FACHE is Chief Quality & Analytics Officer at Providence Regional Medical Center Everett, a 530-bed tertiary medical center in Washington state and member of Providence St. Joseph Health.  In her role, Karin leads value-driven change strategy and architecture – including care process transformation, reporting and benchmarking analytics, quality systems and structures, operational excellence (Lean/Six Sigma), utilization and care management and a Clinical Transformation innovation fund. 

Dr. Larson-Pollock graduated magna cum laude from The University of Montana with a degree in Business Administration/Marketing and a minor in German.  After graduation, she served for two years as a Small Business Advisor with the United States Peace Corps in Kenya, and returned to the U. S. to further her studies, receiving a Doctor of Medicine degree from Northwestern University Medical School and a Masters in Business Administration from the Kellogg School of Management at Northwestern University.  After completing a Preliminary Year in Internal Medicine at Baylor College of Medicine, she joined The Methodist Hospital System in Houston, Texas.  In her seven years with Methodist, Karin served in many roles, including Preceptor of the Administrative Fellows Program, Executive Director of Strategic Planning and Women’s Services, and Vice President of Operations, before deciding to return home with her family to the beautiful Pacific Northwest.

She is a Fellow in the American College of Healthcare Executives, and is currently serving as a board member of the Washington State Healthcare Executives Forum, ACHE’s Washington State Chapter, where she served as President from 2015-2016.


Sheridah Lemmon, MHA

Sheridah is currently the Facility Administrator for the Heart & Vascular Department at The Everett Clinic, a Davita Medical Group. Prior to her position with The Everett Clinic, Sheridah was a full time student in the Master in Health Administration program at the University of Washington and graduated in the spring of 2017. During the program, Sheridah served as a Graduate Administrative Intern with Providence Medical Group SW in Olympia Washington, gaining experience in project management.  Prior to the program, she spent three and a half years in the health insurance field, specifically in employee benefits and claims. Sheridah lives in Kenmore, WA with her husband (Jared) and dog (Bailey). In her free time, she enjoys playing tennis, running and spending time with family. 



Aaron Hefel, MHA/MBA

Aaron Hefel has served in the system office at Providence since 2011, where he has contributed to system initiatives, strategic planning, business development, and physician services. Prior to joining Providence, he supported both ambulatory and hospital growth at CHI Franciscan Health System in Tacoma, worked on ambulatory performance improvement at VA Puget Sound Health Care System in Seattle, and served in multiple roles at The University of Iowa Hospitals and Clinics. Aaron obtained MBA and MHA degrees at the University of Iowa, in his home state.



Nick Malos, MHPA

Nick is a Product Development Strategist for PacificSource Health Plans. Prior, he worked as a Benefits Consultant for Virginia Mason Memorial, where he integrated health system initiatives with the employee health plan. He received his Masters in Heath Policy and Administration from Washington State University, and his Bachelors in Business Administration – Human Resources & Management from Pacific Lutheran University. Nick grew up in Bellevue and enjoys all that the Pacific Northwest has to offer. He likes to travel and is excited to explore his new home in Southwest Washington. 



Valerie Chrusciel, MBA, FACHE

Valerie Chrusciel is the Chief Operating Officer for Overlake Medical Clinics, LLC., where she oversees the operations and strategy of a 150 provider multispecialty practice associated with Overlake Medical Center. Val joined Overlake Hospital Medical Center in 2007 as Director of Operations for Overlake Medical Clinics and lead the growth and development of Overlake’s Primary Care and Urgent Care network on the Eastside. Prior to this she held management roles in the Internal Medicine Department of The Emory Clinic in Atlanta, GA. Val has more than 25 years of healthcare experience in a variety of roles in Academic Medical Centers as well as the Pharmaceutical Industry including direct patient care, sales, marketing and operations management. Val has a Bachelor’s of Science Degree in Pharmacy from the University of Alberta, a Residency in Hospital Pharmacy from the University of British Columbia and a Master’s Degree in Business Administration from the University of Richmond. Val is a Fellow in the American College of Healthcare Executives. Val also currently serves on the board of LifeWire.


John Joyce, MBA, FACHE

John Joyce, FACHE is the MultiCare Health System Vice President for Ancillary Services with responsibility for Imaging, Laboratory, Pathology and Respiratory Therapy services.  Prior to MHS John held a hospital services national business development position at Quest Diagnostics and senior management positions at Alfigen, The Genetics Institute, Perinatal Practice Management and was responsible for new esoteric testing commercialization at Specialty Laboratories.  John has also held clinical and management positions at Beth Israel Medical Center in New York City and City of Hope National Medical Center in Los Angeles.  In 2003 John was president of the Southern California chapter of the American College of Healthcare Executives and served on the board of directors of the Hospital Association of Southern California.  John holds an MBA from the Peter Drucker School at the Claremont Graduate University and a BA in Biology from Brooklyn College.



Emily Yu, MHA

Emily Yu is the Director of Operations for Express Care at Providence St. Joseph in Renton, WA since 2018. 

Having graduated with a biology degree from the University of California, San Diego, Emily ultimately decided that health administration was the path she wanted to follow. Following a year volunteering in Americorps working with Solid Ground to minimize food insecurity of seniors in public housing, she received her Masters in Health Administration from the University of Washington. After graduation, Emily completed an Administrative Fellowship at MultiCare Health System and went on to serve in several roles including Director of Retail Clinics & Virtual Health for MultiCare Health System, where she launched the system’s telemedicine initiative and managed the joint venture relationship with RediClinic, and coordinator for the Administrative Internship and Fellowship program.

Emily lives on Mercer Island, WA and enjoys all active, outdoors hobbies available in the Pacific Northwest.