Quest Diagnostics EVP Catherine Doherty to retire in July 2027
DGX•Quest Diagnostics disclosed that Catherine T. Doherty will retire in July 2027. Effective Nov. 1, 2026, she will shift to Executive Vice President, with a remit including health systems, the Corewell Health joint venture and Project Nova.
1. Leadership transition
Quest Diagnostics disclosed that Catherine T. Doherty will retire in July 2027. Effective Nov. 1, 2026, she will shift to Executive Vice President, with a remit including health systems, the Corewell Health joint venture and Project Nova to modernize order-to-cash processes and IT.




