Quest Diagnostics Incorporated announced that its board of directors has elected Timothy (Tim) Wentworth, a highly seasoned business leader, to serve as a director. Mr. Wentworth, 65, was most recently chief executive officer (CEO) of Walgreens Boots Alliance, where he helped restructure the company for its sale to Sycamore Partners in mid-2025. Prior to that, he was founding CEO of Evernorth Health Services, the health services organization of The Cigna Group that partners with health plans, employers and government organizations to deliver pharmacy, care, and benefit solutions.

In addition, Mr. Wentworth was president and CEO of Express Scripts, one of the largest pharmacy benefit managers in the United States, following the company's 2012 acquisition of Medco Health Solutions, where he held roles as group president, employer accounts and president and CEO of Medco's Accredo Health specialty pharmacy business. With the Medco transaction, Express Scripts grew into a Fortune 25 company with more than $100 billion in revenues before its acquisition by Cigna in 2018. Mr. Wentworth's experience also includes senior leadership roles with top consumer brands, including chief operating officer at Mary Kay Inc., and director roles in human resources at PepsiCo Inc. Mr. Wentworth serves on the boards of directors of Walgreens Holding Company and Dfinitiv, and previously served on the boards of Walgreens Boots Alliance, Accredo Health Group, Express Scripts, and Forge Health.

He earned his bachelor's degree in industrial and labor relations from Cornell University and an associate in applied science degree in business administration from Monroe Community College.