股东
Gary R. Heminger
Chairman of the Board of Directors and Chief Executive Officer
Gregory S. Floerke
Executive Vice President and Chief Operating Officer, MarkWest Operations
Pamela K. M. Beall
Director, Executive Vice President and Chief Financial Officer
Paula L. Rosson
Senior Vice President and Chief Accounting Officer
C. Corwin Bromley
Executive Vice President and General Counsel (Chief Legal Officer)
Donald C. Templin
Director and President
Frank A. Quintana
Vice President, Tax
John S. Swearingen
Vice President, Crude Oil and Refined Products Pipelines
Molly R. Benson
Vice President, Corporate Secretary and Chief Compliance Officer
Peter Gilgen
Vice President and Treasurer
Randy S. Nickerson
Executive Vice President and Chief Commercial Officer, MarkWest Assets
Timothy J. Aydt
Vice President, Operations