![Michael Hennigan](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Michael Hennigan
Director/Board Member at
CIGNA
Net worth: 75 M $ as of 2026-06-29
Profile
Michael J. Hennigan is a businessperson who has been the head of 9 different companies. Mr. Hennigan holds the position of President, Chief Executive Officer & Director at Marathon Petroleum Corp. and Chairman, President & Chief Executive Officer at MPLX LP and President, Chief Executive Officer & Director at MPLX GP LLC (both are subsidiaries of Marathon Petroleum Corp.), President at MarkWest Javelina Co. LLC and President for Sun Pipe Line Company of Delaware LLC. He is also on the board of Philadelphia Energy Solutions LLC. In his past career he was President & Chief Executive Officer of ETC Sunoco Holdings LLC, President-Crude, Liquids & Refined Products at Energy Transfer Operating LP, President & Chief Executive Officer for Sunoco Logistics Partners Operations LP and President, Chief Executive Officer & Director at Sunoco Partners LLC. He received an undergraduate degree from Drexel University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-01-31 | 208,939 ( 0.07% ) | 53 M $ | 2026-06-29 | |
MPLX LP 0.04% | 2026-01-31 | 359,137 ( 0.04% ) | 20 M $ | 2026-06-29 |
| 2026-04-21 | 1,350 ( 0% ) | 372 168 $ | 2026-06-29 | |
| 2026-03-30 | 5,000 ( 0% ) | 314 750 $ | 2026-06-29 | |
| 2026-06-23 | 20,000 ( 0.01% ) | 276 600 $ | 2026-06-29 |
Michael Hennigan active positions
| Companies | Position | Start |
|---|---|---|
| NUTRIEN LTD. | Director/Board Member | 2022-05-16 |
| CIGNA | Director/Board Member | 2025-06-01 |
| KAYNE ANDERSON ENERGY INFRASTRUCTURE FUND, INC. | Director/Board Member | 2026-03-11 |
MarkWest Javelina Co. LLC
 MarkWest Javelina Co. LLC Oil & Gas ProductionEnergy Minerals Provides oil and gas exploration services | President | - |
MPLX GP LLC
 MPLX GP LLC Oil & Gas PipelinesIndustrial Services Owns, operates, develops and acquires pipelines for petroleum and energy industries | Chairman | 2020-03-31 |
Sun Pipe Line Company of Delaware LLC
 Sun Pipe Line Company of Delaware LLC Oil & Gas PipelinesIndustrial Services Operates refined product and crude oil pipelines | President | 2011-05-19 |
Former positions of Michael Hennigan
| Companies | Position | End |
|---|---|---|
| MARATHON PETROLEUM CORPORATION | Chief Executive Officer | 2024-07-31 |
| MPLX LP | Chief Executive Officer | 2024-07-31 |
Tesoro Logistics GP LLC
 Tesoro Logistics GP LLC Oil & Gas ProductionEnergy Minerals Owns, operates, develops, and acquires crude oil and refined products logistics assets | Director/Board Member | 2018-12-31 |
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Training of Michael Hennigan
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
56
1st degree connections
18
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 18 |
|---|---|
ETC Sunoco Holdings LLC
 ETC Sunoco Holdings LLC Specialty StoresRetail Trade Operates gasoline stations | Retail Trade |
Energy Transfer Operating LP
 Energy Transfer Operating LP Oil & Gas PipelinesIndustrial Services Owns and operates crude oil pipelines and terminal facilities | Industrial Services |
Sunoco Logistics Partners Operations LP
 Sunoco Logistics Partners Operations LP Oil & Gas PipelinesIndustrial Services Provides crude oil pipelines and terminal facilities | Industrial Services |
MarkWest Javelina Co. LLC
MarkWest Javelina Co. LLC Oil & Gas ProductionEnergy Minerals Provides oil and gas exploration services | Energy Minerals |
Niska Gas Storage Partners LLC
 Niska Gas Storage Partners LLC Oil & Gas PipelinesIndustrial Services Owns and operates natural gas storage facilities | Industrial Services |
Kayne Anderson MLP/Midstream Investment Company
 Kayne Anderson MLP/Midstream Investment Company Investment Trusts/Mutual FundsMiscellaneous Acts as Closed-End Investment Fund/Investment Trust | Miscellaneous |
Drexel University
 Drexel University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Sun Pipe Line Company of Delaware LLC
Sun Pipe Line Company of Delaware LLC Oil & Gas PipelinesIndustrial Services Operates refined product and crude oil pipelines | Industrial Services |
SunCoke Energy, Inc.
 SunCoke Energy, Inc. SteelNon-Energy Minerals Operates coke making facilities and provides logistics services | Non-Energy Minerals |
Sunoco Partners LLC
 Sunoco Partners LLC Oil & Gas PipelinesIndustrial Services Engages in pipeline transportation of crude petroleum | Industrial Services |
Andeavor Logistics LP
 Andeavor Logistics LP Oil & Gas PipelinesIndustrial Services Engages in transportation, storage and distribution of natural gas, crude oil & refined petroleum products | Industrial Services |
Tesoro Logistics GP LLC
Tesoro Logistics GP LLC Oil & Gas ProductionEnergy Minerals Owns, operates, develops, and acquires crude oil and refined products logistics assets | Energy Minerals |
Marathon Petroleum Corp.
 Marathon Petroleum Corp. Oil Refining/MarketingEnergy Minerals Operates as petroleum product refiners, marketers and transporters | Energy Minerals |
MPLX LP
 MPLX LP Oil & Gas PipelinesIndustrial Services Owns, operates, develops and acquires pipelines and other midstream assets | Industrial Services |
Philadelphia Energy Solutions LLC
 Philadelphia Energy Solutions LLC Oil Refining/MarketingEnergy Minerals Operates as a holding company whose subsidies provides crude oil refining and logistics services | Energy Minerals |
MPLX GP LLC
MPLX GP LLC Oil & Gas PipelinesIndustrial Services Owns, operates, develops and acquires pipelines for petroleum and energy industries | Industrial Services |
Nutrien Ltd.
 Nutrien Ltd. Chemicals: AgriculturalProcess Industries Manufactures and distributes crop nutrients, protection products, potash, nitrogen & phosphate fertilizers | Process Industries |
The Cigna Group
 The Cigna Group Managed Health CareHealth Services Provides pharmacy benefits management, health and life insurance & fees administration services | Health Services |
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