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Marathon Petroleum

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Marathon Petroleum reviews

4.0

79% would recommend to a friend

(1,558 total reviews)
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Michael J. Hennigan

81% approve of CEO

83% positive business outlook

Marathon Petroleum has an employee rating of 4.0 out of 5 stars, based on 1,558 company reviews on Glassdoor which indicates that most employees have a good working experience there. The Marathon Petroleum employee rating is in line with the average (within 1 standard deviation) for employers within the Energy, Mining & Utilities industry (3.7 stars).

Reviews by job title

2K reviews
2.0
Jul 8, 2026
Recommend
CEO approval
Business Outlook

Pros

There is a new CHRO in 2026. My rating is on former leadership. So glad someone saw how toxic the former CHRO was and she Is no longer there.

Cons

Unfortunately, it took 8 years and the loss of several great employees to see her behavior.

Viewing 1 - 3 of 1,558 Reviews

Glassdoor has 1,952 Marathon Petroleum reviews submitted anonymously by Marathon Petroleum employees. Read employee reviews and ratings on Glassdoor to decide if Marathon Petroleum is right for you.