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John Gatlin
Chief Executive Officer at
Membrane Technology & Research, Inc.
Net worth: 39 M $ as of 2026-07-30
Profile
John T.
Gatlin is currently Chief Executive Officer at Membrane Technology & Research, Inc. since 2026.
Formerly, Mr. Gatlin was Chief Operating Officer & Executive Vice President at Flowco Holdings, Inc. from 2024 to 2025; President-Pressure Pumping Equipment Division at NOV, Inc. from 2012 to 2014; President & Chief Executive Officer at ChemEOR, Inc. from 2014 to 2016; President at NOV Intelliserv UK Ltd. from 2009 to 2012; Chief Operating Officer & Senior Vice President at Tesco Corp.
Education includes undergraduate studies at The University of Texas at Austin and an MBA from The Wharton School of the University of Pennsylvania.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
1.4% | 2025-01-15 | 923,675 ( 1.4% ) | 19 M $ | 2026-07-30 |
1.4% | 2025-03-18 | 923,675 ( 1.4% ) | 19 M $ | 2026-07-30 |
0.14% | 2025-03-18 | 57,292 ( 0.14% ) | 1 M $ | 2026-07-30 |
John Gatlin active positions
| Companies | Position | Start |
|---|---|---|
Membrane Technology & Research, Inc.
 Membrane Technology & Research, Inc. Industrial MachineryProducer Manufacturing Develops and produces membrane based separation systems for petrochemical, natural gas and refining industries | Chief Executive Officer | 2026-04-08 |
Former positions of John Gatlin
| Companies | Position | End |
|---|---|---|
ChemEOR, Inc.
 ChemEOR, Inc. Chemicals: SpecialtyProcess Industries Develops and supplies customized chemical products to the oil and natural gas production industry | Chief Executive Officer | 2016-03-31 |
| NOV INC. | Corporate Officer/Principal | 2014-03-31 |
NOV Intelliserv UK Ltd.
 NOV Intelliserv UK Ltd. Oilfield Services/EquipmentIndustrial Services Provides repair services to oil and gas industry & electrical equipment | President | 2012-02-29 |
| TESCO CORPORATION (USA) | Chief Operating Officer | - |
Training of John Gatlin
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
43
1st degree connections
7
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 7 |
|---|---|
Tesco Corp.
 Tesco Corp. Oilfield Services/EquipmentIndustrial Services Engages in the business of designing, manufacturing and providing service delivery of technology based solutions | Industrial Services |
NOV, Inc.
 NOV, Inc. Oilfield Services/EquipmentIndustrial Services Manufactures and supplies oil & gas drilling field machinery and equipment | Industrial Services |
The University of Texas at Austin
 The University of Texas at Austin Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Membrane Technology & Research, Inc.
Membrane Technology & Research, Inc. Industrial MachineryProducer Manufacturing Develops and produces membrane based separation systems for petrochemical, natural gas and refining industries | Producer Manufacturing |
The Wharton School of the University of Pennsylvania
 The Wharton School of the University of Pennsylvania Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
ChemEOR, Inc.
ChemEOR, Inc. Chemicals: SpecialtyProcess Industries Develops and supplies customized chemical products to the oil and natural gas production industry | Process Industries |
NOV Intelliserv UK Ltd.
NOV Intelliserv UK Ltd. Oilfield Services/EquipmentIndustrial Services Provides repair services to oil and gas industry & electrical equipment | Industrial Services |
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