Dennis is the Safety Manager of the Terminals Organization at Marathon Petroleum Company and has a combined sixteen years of industry experience in various capacities.  This has included Downstream, Midstream, and Upstream business unit support with various responsibilities in the health, environment, and safety arena.  In his current role he is responsible for all aspects of safety and health compliance for approximately 110 terminals across the country.  He holds degrees in Safety Management (BS), and Occupational Safety Management (MS) from Indiana State University.

Marathon Petroleum Corporation
Safety Manager - Terminals - HES&S
539 S. Main Street
Findlay, OH 45840
Phone: (419) 682-6704
Email: DeMendenhall@marathonpetroleum.com