Quest Diagnostics Inc

DGX

HealthcareNYQ$21.9B

DGX SEC filings last scanned 13 May 2026, 23:22 UTC

CEO Timeline

James E. DavisCurrent

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