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Our Leadership

Julianne Matzell

julianne matzell, CIO

Julianne Matzell is the Chief Information Officer for ATRIO Health Plans and is responsible for data and information management which includes the Business Intelligence, Information Technology, Risk Adjustment and Quality Teams. Julianne is committed to data integrity and has a passion for ensuring the organization has access to actionable and insightful data in order to provide the highest quality service to our members.

Julianne joined ATRIO in 2017 and brings over 15 years of experience implementing technology solutions that drive innovation and encourage businesses to make data-driven decisions. Prior to joining the company Julianne was the owner and principal of Mariposa Consulting, focusing on business process management solutions and Agile development practices, consulting domestically and internationally.

Julianne achieved a Master of Science degree from Stanford University and a Bachelor of Arts degree in Mathematics and Physics from Wells College. She shares her passion for the study and practice of Yoga through her volunteer teaching to kids, youth and adults in correctional facilities, drug treatment centers, and behavioral/mental health facilities.

Elizabeth Gartman

Elizabeth Gartman serves as the Chief Operating Officer for ATRIO Health Plans. Elizabeth oversees operations and vendor relationships that are required to assure our Medicare Advantage and dual-eligible members have access to affordable high-quality services and benefits.

Elizabeth joined the ATRIO team in October 2020 with over 27 years of experience within the health insurance industry. Elizabeth has a diverse background of experience managing operations for a wide variety of programs to include Taft Hartley, self-funded, fully-insured, COBRA Administration, Wellness programs, and with Medicare and Medicaid.

Elizabeth earned her Bachelors of Science in Health Care Administration from Saint Joseph’s College in Standish, Maine. Elizabeth has designations as a Health Insurance Associate (HIA) and as a Managed (MHP) from Americas Health Insurance Plans (AHIP). A mother of 2, she spends her free time playing in various sports, enjoying the outdoors, and spending time with her friends and family.

Charles Wilson

charles wilsonCharles Wilson JD, LLM serves as the General Counsel of ATRIO Health Plans and has been with the company since 2011. Charles manages all legal affairs involving ATRIO, including strategic initiatives, board governance, compliance, regulatory issues, contracting, and corporate transactions. He provides counsel on a broad range of legal, business and operational matters to the company’s board of directors and the executive management team.

Charles received a bachelor’s degree in public policy from Duke University, his Juris Doctorate from Lewis & Clark, and an LL.M. in Taxation at the University of Washington. When he’s not ensuring that corporate affairs are in order, he enjoys his down time fly fishing, whitewater rafting, and skiing with his wife and daughter.

Chris Norman

Chris Norman Chris Norman is the Chief Compliance Officer at ATRIO Health Plans, and manages ATRIO’s Compliance Plan, oversees the Fraud, Waste and Abuse program and the auditing and monitoring of our internal operations and external vendors . Chris has a passion for education, employee engagement and business management tools that help ATRIO comply with federal rules, regulations and requirements for Medicare Advantage plans.

Chris joined ATRIO in January 2019 with 15 years of leadership experience in Health Plan Compliance, Operations, Policy and Programs. Prior to ATRIO, Chris was the Director of Contracts and Compliance, and Director of Integrated Health Programs for the Oregon Health Authority. Chris has also held management and leadership roles for Operations, Customer Service, Policy and Compliance for Medicare and Medicaid health plans.

Chris received a bachelor’s degree from Oregon State University and a Master’s in Business Administration from George Fox University. He also holds a CHC certification from the Health Care Compliance Association. When not at work, Chris can be found early mornings at the yoga studio, or spending time with his family and friends in the outdoors mountain biking, hiking, skiing, backpacking and kayaking throughout Oregon. Chris is also active serving his community, volunteering on local boards and school district budget committee.

Michelle Murphy

Michelle Murphy

Michelle Murphy is the Chief Finance Officer at ATRIO Health Plans. She leads a team of finance professionals that are committed to providing timely and accurate financial reporting to ATRIO’s members, management, board of directors, and state regulators. Michelle is responsible for all statutory reporting to the Department of Consumer and Business Services and the National Association of Insurance Commissioners.

Michelle joined ATRIO in 2015, and has over 25 years of experience in the accounting and finance profession working in the advertising and construction industries. She is a mother of 2 and enjoys spending time with her husband and kids exploring Oregon which they have called home since 2014.

Steven Paulissen

Michelle Murphy

Dr. Steven Paulissen M.D serves as Chief Medical Officer of ATRIO Health Plans and is responsible for care management, medical management, credentialing and quality of care. Doctor Paulissen fully joined the ATRIO team in January 2020 where he is able to continue to help Medicare and dual eligible members obtain high quality affordable care. He has worked with ATRIO as a consultant for medical management and credentialing since 2017.

Prior to joining ATRIO Dr. Paulissen has 18 years of experience with medical plans as a board member of WVP Health Authority who coordinated care for Oregon Health Plan members in Marion, Polk, Yamhill and Clackamas counties and partnered with ATRIO Health Plans in providing care for Medicare members. He subsequently served as a Medical Director at WVP. Dr. Paulissen has decades of clinical practice experience as an independent internal medicine physician with privileges at Salem Hospital until 2018. Now he keeps clinically active by volunteering for shifts at Salem Free Clinic.

Dr. Paulissen is a double graduate of University of Illinois with a Bachelor of Science degree in microbiology and a Doctor of Medicine degree. He is American Board of Internal Medicine certified in the specialties of Internal Medicine and Geriatric Medicine.

Sera Arevalo, director of provider contracting and networking
Sera Arevalo
Director of Contracting

Adena Bailey, director of quality programs
Adena Bailey
Director of Quality Programs

sara vaughn, director of appeals and grievances
Sara Vaughn
Director of Appeals & Grievances

Sara Schmidt, Director of marketing & communications
Sara Schmidt
Director of Marketing & Communications

bill guest, director of actuarial services
Bill Guest IV
Director of Actuarial Services

Joel Kuhl, director of HR
Joel Kuhl
Director of Human Resources

Kait Walker, director of medical management
Kait Walker
Director of Medical Management

michelle rice, director of risk adjustment
Michelle Rice
Director of Risk Adjustment

michelle rice, director of risk adjustment
Wendy Vosburg
Director of Claims

michelle rice, director of risk adjustment
Cari Herrera
Director of Provider Relations