$MPC

$441.49 -$29.15 (6.19%) Live

$MPC Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Company Executives

$MPC Management Team

Mr. Rick Hessling

Chief Commercial Officer

Age 58

Compensation $4.225M USD

Sex Male

Ms. Fiona Laird

Chief Human Resources Officer

Senior Vice President - Communications

Age 63

Compensation -

Sex Female

Mr. David Heppner

Chief Strategy Officer and Senior Vice President Business Development

Age 58

Compensation -

Sex Male

Mr. Ehren Powell

Senior Vice President

Chief Digital Officer

Age 45

Compensation -

Sex Male

Mr. James Wilkins

Senior Vice President - Health

Environment

Safety and Security

Age 58

Compensation -

Sex Male

Ms. Erin Brzezinski

Vice President

Controller

Age 42

Compensation -

Sex Female

Ms. Kelly Niese

Vice President - Treasury

Age 45

Compensation -

Sex Female

Mr. Gregory Floerke

Executive Vice President

Chief Operating Officer of MPLX GP LLC

Age 61

Compensation $3.186M USD

Sex Male

Mr. Shawn Lyon

Senior Vice President - Logistics and Storage of MPLX GP LLC

Age 57

Compensation -

Sex Male

Mr. Brian Partee

Chief Global Optimization Officer

Age 51

Compensation -

Sex Male

Ms. Molly Benson

Chief Legal Officer

Corporate Secretary

Age 58

Compensation $3.912M USD

Sex Female

Mr. John Quaid

Chief Financial Officer

Executive Vice President

Age 53

Compensation $5.810M USD

Sex Male

Ms. Maryann Mannen

Chairman of the Board

President

Chief Executive Officer

Age 62

Compensation $14.39M USD

Sex Female

Ms. Maria Khoury

Executive Vice President

Chief Financial Officer

Age 55

Compensation -

Sex Female

Ms. Kristina Kazarian

Vice President - Finance and Investor Relations

Age 42

Compensation -

Sex Female

Name / Title	Age	Compensation	Sex
Mr. Rick Hessling Chief Commercial Officer	58	$4.225M USD	Male
Ms. Fiona Laird Chief Human Resources Officer Senior Vice President - Communications	63	-	Female
Mr. David Heppner Chief Strategy Officer and Senior Vice President Business Development	58	-	Male
Mr. Ehren Powell Senior Vice President Chief Digital Officer	45	-	Male
Mr. James Wilkins Senior Vice President - Health Environment Safety and Security	58	-	Male
Ms. Erin Brzezinski Vice President Controller	42	-	Female
Ms. Kelly Niese Vice President - Treasury	45	-	Female
Mr. Gregory Floerke Executive Vice President Chief Operating Officer of MPLX GP LLC	61	$3.186M USD	Male
Mr. Shawn Lyon Senior Vice President - Logistics and Storage of MPLX GP LLC	57	-	Male
Mr. Brian Partee Chief Global Optimization Officer	51	-	Male
Ms. Molly Benson Chief Legal Officer Corporate Secretary	58	$3.912M USD	Female
Mr. John Quaid Chief Financial Officer Executive Vice President	53	$5.810M USD	Male
Ms. Maryann Mannen Chairman of the Board President Chief Executive Officer	62	$14.39M USD	Female
Ms. Maria Khoury Executive Vice President Chief Financial Officer	55	-	Female
Ms. Kristina Kazarian Vice President - Finance and Investor Relations	42	-	Female

Board of Directors

From the proxy statement filed Mar 16, 2026

Directors

serving now

Independent

Not stated

the proxy does not say

Average tenure

Not stated

from year joined

CEO also chairs the board

Not stated

no chair stated

Director	Age	On board	Independent	Committees	Other public boards	2025 pay
Maryann T. Mannen	Not stated	Not stated	Not stated	None stated	None stated	Not stated
Eileen P. Paterson	Not stated	Not stated	Not stated	None stated	None stated	$396,497
J. Michael Stice	Not stated	Not stated	Not stated	None stated	None stated	$679,739
John P. Surma	Not stated	Not stated	Not stated	None stated	None stated	$758,049
Alkhayyal	Not stated	Not stated	Not stated	None stated	None stated	Not stated
Cohen	Not stated	Not stated	Not stated	None stated	None stated	Not stated
Semple	Not stated	Not stated	Not stated	None stated	None stated	Not stated
Bayh	Not stated	Not stated	Not stated	None stated	None stated	Not stated
Campbell	Not stated	Not stated	Not stated	None stated	None stated	Not stated
Ellison-Taylor	Not stated	Not stated	Not stated	None stated	None stated	Not stated
Rucker	Not stated	Not stated	Not stated	None stated	None stated	Not stated

Each director opens the passage of the proxy that names them. "Not stated" means the proxy does not say; it never means "no". Pay is the proxy's Director Compensation table; the CEO is paid as an executive.

We could not read related-party transactions reliably

Rather than show a list that might be incomplete, we show nothing. They are in the proxy filed Mar 16, 2026, in its related person transactions section.

Read them in the proxy

Comments

Company Executives

$MPC Management Team

Mr. Rick Hessling

Ms. Fiona Laird

Mr. David Heppner

Mr. Ehren Powell

Mr. James Wilkins

Ms. Erin Brzezinski

Ms. Kelly Niese

Mr. Gregory Floerke

Mr. Shawn Lyon

Mr. Brian Partee

Ms. Molly Benson

Mr. John Quaid

Ms. Maryann Mannen

Ms. Maria Khoury

Ms. Kristina Kazarian

Board of Directors

Related-party transactions

We could not read related-party transactions reliably