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SEC data last refreshed 13 May 2026, 23:38 UTC
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Quest Diagnostics Inc (DGX) CEO History | CEO Tracker
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Quest Diagnostics Inc
DGX
Healthcare
NYQ
$21.9B
DGX SEC filings last scanned 13 May 2026, 23:22 UTC
CEO Timeline
James E. Davis
Current
Nov 2022 — Present
(3y 6mo)
James E. Davis was appointed Chief Executive Officer and President of Quest Diagnostics, effective November 1, 2022, succeeding Stephen H. Rusckowski.
4 source filings — click to expand
Stephen H. Rusckowski
May 2012 — Nov 2022
(10y 6mo)
Stephen H. Rusckowski was appointed President and Chief Executive Officer of Quest Diagnostics, effective May 1, 2012, succeeding Dr. Mohapatra.
planned transition; served as CEO for more than a decade
4 source filings — click to expand
Surya N. Mohapatra
May 2004 — Apr 2012
(7y 11mo)
Surya N. Mohapatra was appointed Chief Executive Officer of Quest Diagnostics in May 2004.
terminated
3 source filings — click to expand