Peter Neupert has served on Adaptive Biotechnologies' board of directors since December 2013, is the Lead Independent Director and chairs the Nominating and Corporate Governance Committee. He was an Operating Partner at Health Evolution Partners (2012-2014), Corporate Vice President of the Health Solutions Group at Microsoft (2005-2012) and Chief Executive Officer and Chairman of Drugstore.com, which he joined in 1998. He currently serves on the boards of Laboratory Corporation of America Holdings and Fortrea Holdings Inc., where he served as acting Chief Executive Officer from May 2025 to August 2025 and is chair of the board. Mr. Neupert holds an MBA from the Tuck School of Business at Dartmouth College and a BA in Philosophy from Colorado College.