Marathon Petroleum Corporation
Gregg Stiglic is a seasoned environmental professional with extensive experience in the oil and gas sector. Currently serving as a Senior Environmental Specialist at Marathon Petroleum Corporation since June 2018, Stiglic manages environmental compliance for the hydroprocessing division and various regulatory programs for the refinery. Prior roles include Environmental Supervisor at PBF Energy and Environmental Advisor at ExxonMobil, with significant responsibilities in overseeing environmental operations. Stiglic's career began at URS Corporation, where responsibilities encompassed managing a 20-person environmental division. Earlier experience includes serving as Environmental Manager at The Dow Chemical Company, along with supervisory roles in laboratory settings. Stiglic holds a Bachelor of Science degree in Biochemistry from UCLA, completed between 1982 and 1987.
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Marathon Petroleum Corporation
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Marathon Petroleum Corporation (MPC) is a leading, integrated, downstream energy company headquartered in Findlay, Ohio. The company operates the nation's largest refining system. MPC's marketing system includes branded locations across the United States, including Marathon brand retail outlets. MPC also owns the general partner and majority limited partner interest in MPLX LP, a midstream company that owns and operates gathering, processing, and fractionation assets, as well as crude oil and light product transportation and logistics infrastructure.