$TMO

Marc N. Casper

Thermo Fisher Scientific

Chairman, President & CEO • Since 2009 • Health Care

📊 CEO Reputation Score

FY2025 vs FY2025 · Source: SEC EDGAR filings

36/100

Blend of this company's year-over-year free-cash-flow and profit improvement, each ranked as a percentile against every scored company in the three indexes.

Free cash flow: $7.3B → $6.3B (−13.4% YoY) — fiscal 2025 vs fiscal 2024
Profit (net income): $6.3B → $6.7B (+5.8% YoY) — fiscal 2025 vs fiscal 2025

How this score works · S&P 500 reputation leaderboard

Overview

Marc N. Casper is the chairman, president & ceo of Thermo Fisher Scientific since 2009. Thermo Fisher Scientific is a Health Care company headquartered in Waltham, Massachusetts, founded in 2006, and one of the 500 companies in the S&P 500 — every one of which is profiled on this site.

Leadership

Marc holds the chief executive role at Thermo Fisher Scientific with the title Chairman, President & CEO — in post since 2009. This page is the concise leadership record for Thermo Fisher Scientific in the S&P 500 CEO index; the site's fully researched long-form profiles (career timelines, education, achievements, setbacks, philosophy and sourced quotes) currently cover the index's ten largest companies, and this entry will be expanded in the same format.

At a Glance

Sector: Health Care
Ticker: $TMO
Headquarters: Waltham, Massachusetts
Founded: 2006
CEO since: 2009
Index: S&P 500 (#439 of 500)