Thermo Fisher Scientific

Marc N. Casper has led Thermo Fisher through a long period of share gain and capability expansion, institutionalizing the PPI Business System as a cultural and execution engine. CFO Stephen Williamson, in the role since 2015, announced a retirement effective March 31, 2026, with an internal successor named, signaling thoughtful succession planning.

Governance appears robust with clear capital deployment priorities and conservative financing. Score reflects long‑tenured leadership, strong operating cadence and credible succession.