Quest Diagnostics Incorporated announced on Mar. 13 that Timothy Wentworth has been elected to its board of directors, bringing the total number of board members to eleven.
The appointment is significant as Quest Diagnostics continues to expand its leadership team with experienced executives from the healthcare industry. Wentworth’s background includes leading several major healthcare organizations and working across multiple sectors relevant to Quest’s operations.
Jim Davis, chairman, CEO and president of Quest Diagnostics, said, “As a former CEO of several large, publicly traded healthcare organizations, Tim brings incredible leadership experience to the Quest board. His depth in the many channels Quest serves, including health plan, employer and consumer, combined with his real-world operations and HR expertise, makes him an exceptional addition to the Quest team as we work together to create a healthier world, one life at a time.”
Wentworth most recently served as chief executive officer of Walgreens Boots Alliance where he oversaw restructuring efforts ahead of its sale in mid-2025. He was also founding CEO of Evernorth Health Services under The Cigna Group and previously led Express Scripts after its acquisition of Medco Health Solutions. During his tenure at Express Scripts following the Medco transaction, the company became a Fortune 25 business with revenues exceeding $100 billion before being acquired by Cigna in 2018. His earlier career included senior roles at Mary Kay and PepsiCo.
Timothy M. Ring, lead independent director at Quest Diagnostics, said: “Tim is an accomplished business leader who knows how to run highly complex, industry-leading healthcare companies to generate growth and value at scale. We are fortunate to welcome him to our board.”
Wentworth currently serves on the boards of Walgreens Holding Company and Dfinitiv and has held previous directorships with Walgreens Boots Alliance, Accredo Health Group, Express Scripts, and Forge Health. He holds degrees from Cornell University and Monroe Community College.
