Officers

Gary R. Heminger
Chairman of the Board and Chief Executive Officer
MPLX GP LLC

Michael J. Hennigan
President
MPLX GP LLC

Pamela K.M. Beall
Executive Vice President and Chief Financial Officer
MPLX GP LLC

C. Corwin Bromley
Executive Vice President
MPLX GP LLC

Gregory S. Floerke
Executive Vice President, MarkWest Operations
MPLX GP LLC

John S. Swearingen
Executive Vice President, Transportation and Logistics
MPLX GP LLC

Timothy J. Aydt
Vice President, Operations
MPLX GP LLC

Molly R. Benson
Vice President, Corporate Secretary and Chief Compliance Officer
MPLX GP LLC 

Suzanne Gagle
Vice President and General Counsel
MPLX GP LLC 

Peter Gilgen
Vice President and Treasurer
MPLX GP LLC 

C. Kristopher Hagedorn
Vice President and Controller
MPLX GP LLC