Thermo Fisher Scientific Inc.

TMO

HealthcareNYQ$182.3B

TMO SEC filings last scanned 4 Jul 2026, 23:31 UTC

CEO Timeline

Marc N. CasperCurrent

Oct 2009 — Present(16y 9mo)

Marc N. Casper was appointed President and Chief Executive Officer of Thermo Fisher Scientific Inc., effective October 15, 2009, succeeding Marijn E. Dekkers.

3 source filings — click to expand

Marijn E. Dekkers

Nov 2002 — Oct 2009(6y 11mo)

resigned

2 source filings — click to expand