


Employees at Marathon Petroleum rank Gary Heminger in the Top 20% of CEOs in Lima, OH. Comparatively, employees at Phillips66 rank Greg Garland in the Top 50% of CEOs in Houston. Employees rate their CEO differently based on the frequency of interaction, ability to affect company culture, and drive measurable results.

Women at Marathon Petroleum rated their CEO a D

Women at Phillips66 rated their CEO a D+

Diverse Employees at Marathon Petroleum rated their CEO a D

Diverse Employees at Phillips66 rated their CEO a D+


At Marathon Petroleum, employees in the Finance department rate Gary Heminger the highest. According to employees, Gary Heminger's ability to drive business results is Average. At Phillips66, the Engineering department's employees rate their CEO highest. And, 100% of Phillips66 employees approve of their CEO's management style.