Officers

Maryann T. Mannen
President and Chief Executive Officer
MPLX GP LLC

C. Kristopher Hagedorn
Executive Vice President and Chief Financial Officer – MPLX
MPLX GP LLC

Gregory S. Floerke
Executive Vice President and Chief Operating Officer – MPLX
MPLX GP LLC

Timothy J. Aydt
Executive Vice President
MPLX GP LLC

Molly R. Benson
Chief Legal Officer and Corporate Secretary
MPLX GP LLC 

David R. Heppner
Senior Vice President
MPLX GP LLC 

Rick D. Hessling
Senior Vice President
MPLX GP LLC

Kristina A. Kazarian
Vice President Finance and Investor Relations
MPLX GP LLC

Shawn M. Lyon
Senior Vice President Logistics & Storage – MPLX
MPLX GP LLC

Brian K. Partee
Senior Vice President
MPLX GP LLC

Kelly D. Wright
Vice President and Controller
MPLX GP LLC