MRK SEC filings last scanned 22 Aug 2026, 16:39 UTC
CEO Timeline
Robert M. DavisCurrent
Jul 2021 — Present(5y 2mo)
Robert M. Davis was appointed Chief Executive Officer of Merck & Co., Inc., effective July 1, 2021, succeeding Kenneth C. Frazier.
2 source filings — click to expand
Kenneth C. Frazier
Jan 2011 — Jun 2021(10y 5mo)
Kenneth C. Frazier was appointed Chief Executive Officer and President of Merck & Co., Inc., effective January 1, 2011, succeeding Richard T. Clark.
planned retirement
3 source filings — click to expand
Richard T. Clark
Nov 2009 — Jan 2011(1y 2mo)
Richard T. Clark was appointed Chairman, President and Chief Executive Officer of New Merck (the merged entity of Merck and Schering-Plough) effective as of the merger closing date.
mandatory retirement policy; required to step down by age 65