Gregory S. Floerke

Executive Vice President and Chief Operating Officer

Gregory S. Floerke

Mr. Floerke is executive vice president and chief operating officer of MPLX GP LLC.

Mr. Floerke joined MPLX in 2015, at the time of the MPLX and MarkWest combination. He joined MarkWest in 2013 as senior vice president, Northeast region. He was named executive vice president and chief commercial officer in 2015 and named executive vice president, gathering and processing in 2016. In 2020, Mr. Floerke was named chief operating officer and executive vice president, Gathering & Processing, Trucks & Rail and assumed his current position in 2021. Prior to joining MarkWest, Mr. Floerke served as vice president, Eastern region for Access Midstream Partners. He has a broad background spanning multiple disciplines and industries for more than 25 years, including senior management roles at Williams, where he began his career, as well as MasTec, Alberici, One Communications, and Chesapeake Midstream.

Mr. Floerke graduated from the Colorado School of Mines with a bachelor’s degree in petroleum engineering. He is a graduate of the Program for Management Development at Harvard Business School.

Mr. Floerke recently served on the board of directors for the Appalachian Partnership for Economic Growth.