Enhancing Life’s Possibilities

Marathon Petroleum employees making a difference cleaning up a yard

Core Values

At Marathon Petroleum, we are proud of the role we play in helping meet the world’s growing energy needs while steadfastly adhering to the values we place at the core of our business. 

Over the past 137 years, and as we continue to innovate and evolve, our core values have been and will always be at the heart of our success – guiding the way we treat each other and all our stakeholders.

We believe that how we perform our work holds equal importance with the work we perform.

Safety & Environmental

Safety & Environmental Stewardship

•  Protect our people and the world we all share

•  Aim for an incident-free, injury-free workplace

• Demonstrate our unwavering commitment to safe and environmentally responsible operations every day


• Set high expectations for ourselves and build trust in each other, with business partners, shareholders and the communities where we work and live

• Say what we’re going to do — and then do it

• Behave ethically in all we do


• Treat everyone professionally, with courtesy, honesty and trust

• Consider how other people’s ideas can improve what we do and encourage everyone to openly share their perspectives, ideas and concerns


• Value diversity in culture, background, perspective and experiences

• Strive to provide our employees with a collaborative, supportive and inclusive work environment where they can maximize their full potential for personal and business success



• Actively partner with our stakeholders to find and create shared value, making a positive difference together

• Foster constructive, solution-oriented dialogues

• Genuinely listen to one another and seek out perspectives different from our own

Our History

In one form or another, our company has been helping fuel America since the 1800s. Seriously.

View our history


Our values are of utmost importance at MPC and that commitment starts from the top down. Our leadership team is committed to making sure those values permeate throughout our organization and everything we do. Meet the people responsible for leading MPC forward.

Meet our Leadership

Board of Directors

Our board provides oversight for all company operations and activities. We are proud to have a group of directors with a range of backgrounds and expertise. They see that we are all operating in accordance with our values, ensure we adhere to strict governance and always maintain transparency.

Meet the board