Executive Leadership
PNRI is a small, lean, and independent biomedical institute. Our structure is nimble and flexible, with an administrative team built around a core value of supporting the scientists in their pursuit of discovery. Together, we are improving human health for generations to come.

Mark Rieder, PhD
Chief Operating Officer
Dr. Rieder brings extensive experience in scientific research and operational leadership. His background includes over a decade as research faculty at the University of Washington (UW), six years in operations leadership at Adaptive Biotechnologies, and roles in large-scale scientific management at both UW and the Brotman Baty Institute.

Dionne Gordon
Chief Financial and Administrative Officer
Dionne Gordon is the Chief Financial Officer at PNRI where she manages and oversees accounting, financial planning and analysis, grants management, and purchasing. She brings to the position over 20 years of tax, audit, finance and accounting management experience with local and global companies. Most recently, Dionne was the Corporate Controller at TwinStrand Biosciences where she built the finance department and supported several rounds of record-breaking fundraising efforts. She earned her undergraduate degree from University of the Pacific, post-graduate management degree from University of California, Berkeley, and an advanced certification from the Internal Revenue Service.

Jason McDonald
Director of Facilities and Administration
Jason McDonald is the Director of Facilities and Administration at PNRI where he manages and oversees administration, facilities, and environmental health and safety. He brings over 20 years of facilities and operations management with a successful history of implementing effective and positive change for top companies. Most recently, Jason was the Area Facilities and Administrative Manager for a global engineering firm where he oversaw seven offices in the WA State area. Jason holds two bachelor’s degrees, one in history and the other in business management.

Louise Maxwell
Chief Communications Officer
Louise Maxwell is the Chief Communications Officer at PNRI, where she leads efforts to amplify the institute’s mission and share its scientific discoveries with the world. She brings over 17 years of experience in healthcare and biomedical research, including 13 years in senior communication roles at Seattle Children’s. She holds a Master of Communication in Digital Media from the University of Washington and draws on a lifelong foundation in the arts to make science more engaging, relatable, and impactful.
Scientific Leadership
PNRI currently has five independent labs each led by a principal scientist. Each lab pursues answers to fundamental questions about how genetics contributes to our innate ability to remain resilient to or to succumb to disease development.

Aimée M. Dudley, PhD
Senior Investigator and Interim Chief Scientific Officer

Cláudia Carvalho, PhD
Assistant Investigator

Rick McLaughlin, PhD
Assistant Investigator

Michael Metzger, PhD
Assistant Investigator