


Employees at MilliporeSigma rank Jean-Charles Wirth in the Top 40% of CEOs in Boston. Similarly, employees at Thermo Fisher Scientific rank Marc Casper in the Top 35% of CEOs in Boston. Employees rate their CEO differently based on the frequency of interaction, ability to affect company culture, and drive measurable results.

Women at MilliporeSigma rated their CEO a B

Women at Thermo Fisher Scientific rated their CEO a B

Diverse Employees at MilliporeSigma rated their CEO an A+

Diverse Employees at Thermo Fisher Scientific rated their CEO a C


At MilliporeSigma, employees in the Product department rate Jean-Charles Wirth the highest. According to employees, Jean-Charles Wirth's ability to drive business results is Very Bad. At Thermo Fisher Scientific, the Finance department's employees rate their CEO highest. And, 73% of Thermo Fisher Scientific's employees approve of their CEO's management style.