



Employees at Clean Harbors rank Alan McKim in the Bottom 30% of CEOs in Boston. Similarly, employees at PSC rank Brad Clark in the Bottom 35% of CEOs in New York. Employees rate their CEO differently based on the frequency of interaction, ability to affect company culture, and drive measurable results.

Women at Clean Harbors rated their CEO a C+

Women at PSC rated their CEO a D+

Diverse Employees at Clean Harbors rated their CEO a D

Diverse Employees at PSC rated their CEO an A




At Clean Harbors, employees in the HR department rate Alan McKim the highest. According to employees, Alan McKim's ability to drive business results is Good. At PSC, the Operations department's employees rate their CEO highest. And, 75% of PSC's employees approve of their CEO's management style.