![John Chandler](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>)
John Chandler
Chairman at
MATRIX SERVICE COMPANY
Net worth: 2 M $ as of 31/05/2026
Profile
Currently, John D. Chandler is Chief Financial Officer & Senior Vice President for The Williams Cos., Inc. and Chief Financial Officer, Treasurer & VP at MGG Midstream Holdings GP LLC. Mr. Chandler is also on the board of 6 other companies. In the past Mr. Chandler held the position of Senior VP, Chief Financial & Accounting Officer at Magellan Midstream Partners LP Chief Financial Officer, Treasurer & VP at Magellan Midstream Holdings LP, Chief Financial Officer, Treasurer & VP at MGG Midstream Holdings LP, Chief Financial Officer & Senior Vice President of Magellan GP LLC and Chief Financial Officer, Treasurer & VP at Magellan Midstream Holdings GP LLC (which are all subsidiaries of Magellan Midstream Partners LP) and Director-Financial Planning & Analysis at The Williams Cos., Inc. Chief Financial Officer, Director & Senior VP at Williams Partners LP and Chief Financial Officer & Director at WPZ GP LLC (both are subsidiaries of The Williams Cos., Inc.). Mr. Chandler received an undergraduate degree from The University of Tulsa.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 04/11/2025 | 86,039 ( 0.31% ) | 1 M $ | 31/05/2026 | |
LSB INDUSTRIES, INC. 0.05% | 22/05/2026 | 34,012 ( 0.05% ) | 426 510 $ | 31/05/2026 |
| 26/05/2026 | 2,367 ( 0% ) | 315 710 $ | 31/05/2026 |
John Chandler active positions
| Companies | Position | Start |
|---|---|---|
| MATRIX SERVICE COMPANY | Chairman | 14/11/2023 |
| LSB INDUSTRIES, INC. | Director/Board Member | 07/11/2024 |
| EOG RESOURCES, INC. | Director/Board Member | 10/12/2025 |
Wagoner Community Outreach
 Wagoner Community Outreach Miscellaneous Commercial ServicesCommercial Services Wagoner Community Outreach is a private company based in Wagoner, OK. | Director/Board Member | - |
Tulsa Area United Way
 Tulsa Area United Way Miscellaneous Commercial ServicesCommercial Services Provides social services | Director/Board Member | - |
Williams Pipeline GP LLC
 Williams Pipeline GP LLC Financial ConglomeratesFinance Provides investment services | Director/Board Member | - |
Wagoner Education Foundation, Inc.
 Wagoner Education Foundation, Inc. Investment Trusts/Mutual FundsMiscellaneous Operates as a grant making foundation | Director/Board Member | - |
City of Wagoner Economic Development Authority
 City of Wagoner Economic Development Authority Local AgenciesGovernment Functions as a local level government authority | Director/Board Member | - |
MGG Midstream Holdings GP LLC
 MGG Midstream Holdings GP LLC MiscellaneousMiscellaneous Holding company | Director of Finance/CFO | - |
Former positions of John Chandler
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Training of John Chandler
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
42
1st degree connections
24
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 24 |
|---|---|
LSB Industries, Inc.
 LSB Industries, Inc. Chemicals: AgriculturalProcess Industries Manufactures and sells chemical products for the agricultural, mining, and industrial markets | Process Industries |
Matrix Service Co.
 Matrix Service Co. Engineering & ConstructionIndustrial Services Provides fabrication, infrastructure, construction, and maintenance services | Industrial Services |
The Williams Cos., Inc.
 The Williams Cos., Inc. Oil & Gas PipelinesIndustrial Services Engages in gathering, transmission, storage and transportation of natural gas | Industrial Services |
EOG Resources, Inc.
 EOG Resources, Inc. Integrated OilEnergy Minerals Develops and produces crude oil and natural gas | Energy Minerals |
Magellan Midstream Partners LP
 Magellan Midstream Partners LP Oil & Gas PipelinesIndustrial Services Engages in the transportation, storage and distribution of refined petroleum products and crude oil | Industrial Services |
MGG Midstream Holdings GP LLC
MGG Midstream Holdings GP LLC MiscellaneousMiscellaneous Holding company | Miscellaneous |
Williams Pipeline GP LLC
Williams Pipeline GP LLC Financial ConglomeratesFinance Provides investment services | Finance |
Williams Partners LP
 Williams Partners LP Oil & Gas PipelinesIndustrial Services Owns, operates, develops & acquires natural gas gathering system and energy assets | Industrial Services |
CNX Midstream Partners LP
 CNX Midstream Partners LP Oil & Gas PipelinesIndustrial Services Owns, operates, develops and acquires natural gas gathering and other midstream energy assets | Industrial Services |
Magellan Midstream Holdings LP
 Magellan Midstream Holdings LP Financial ConglomeratesFinance Holding company | Finance |
The University of Tulsa
 The University of Tulsa Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
MGG Midstream Holdings LP
 MGG Midstream Holdings LP MiscellaneousMiscellaneous Holding company | Miscellaneous |
Magellan GP LLC
 Magellan GP LLC Oil & Gas PipelinesIndustrial Services Part of Magellan Midstream Partners LP, Magellan GP LLC is a company based in Tulsa, OK. Pierce H. Norton has been the CEO of the company since 2023. | Industrial Services |
Magellan Midstream Holdings GP LLC
 Magellan Midstream Holdings GP LLC Part of ONEOK, Inc., Magellan Midstream Holdings GP LLC is a crude oil and natural gas transportation and logistics company. The company offers a range of services including crude oil quality, natural gas hauling, storage, and terminaling, as well as natural gas marketing, distribution, transmission, and generation. The company also provides natural gas emergency response, pipeline safety, system integrity, and specialty services. Magellan Midhaul Pipeline Services, a subsidiary of Magellan LP, offers pipeline services for crude oil, natural gas, LNG, and LPG. The company is based in Tulsa, OK. | |
Tulsa Area United Way
Tulsa Area United Way Miscellaneous Commercial ServicesCommercial Services Provides social services | Commercial Services |
USA Compression Partners LP
 USA Compression Partners LP Oilfield Services/EquipmentIndustrial Services Provides compression services | Industrial Services |
USA Compression GP LLC
 USA Compression GP LLC Other Consumer ServicesConsumer Services Provides compression services | Consumer Services |
Green Plains Holdings LLC
 Green Plains Holdings LLC Financial ConglomeratesFinance Functions as an investment holding company | Finance |
WPZ GP LLC
 WPZ GP LLC Oil & Gas ProductionEnergy Minerals Owns, operates, develops, and acquires natural gas gathering systems and other midstream energy assets | Energy Minerals |
CNX Midstream GP LLC
 CNX Midstream GP LLC Financial ConglomeratesFinance Provides investment services | Finance |
Green Plains Partners LP
 Green Plains Partners LP Other TransportationTransportation Provides fuel storage and transportation services | Transportation |
City of Wagoner Economic Development Authority
City of Wagoner Economic Development Authority Local AgenciesGovernment Functions as a local level government authority | Government |
Wagoner Education Foundation, Inc.
Wagoner Education Foundation, Inc. Investment Trusts/Mutual FundsMiscellaneous Operates as a grant making foundation | Miscellaneous |
Wagoner Community Outreach
Wagoner Community Outreach Miscellaneous Commercial ServicesCommercial Services Wagoner Community Outreach is a private company based in Wagoner, OK. | Commercial Services |
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