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John Michael Hopkinson
Chief Operating Officer at
REX INTERNATIONAL HOLDING LIMITED
Profile
John Michael Hopkinson is Chief Operating Officer at Rex International Holding Ltd. since 2026 and General Manager at Masirah Oil Ltd. since 2023.
Former roles include Director-Production Operations at Kosmos Energy Ghana, Inc., Production Manager at Hess Corp., Operations Manager at JKX Oil & Gas Ltd., Senior Vice President-Engineering & Operations at Caelus Energy LLC, and Production Manager at Waldron Energy Corp.
John Michael Hopkinson active positions
| Companies | Position | Start |
|---|---|---|
| REX INTERNATIONAL HOLDING LIMITED | Chief Operating Officer | 06/05/2026 |
Masirah Oil Ltd.
 Masirah Oil Ltd. Oil & Gas ProductionEnergy Minerals Provides oil and gas exploration services | Chief Executive Officer | 01/01/2023 |
Former positions of John Michael Hopkinson
| Companies | Position | End |
|---|---|---|
Caelus Energy LLC
 Caelus Energy LLC Oil & Gas ProductionEnergy Minerals Operates as a oil explorer and producer company | Chief Operating Officer | 01/01/2019 |
| JKX OIL & GAS PLC | Corporate Officer/Principal | - |
| WALDRON ENERGY CORPORATION | Corporate Officer/Principal | - |
| HESS CORPORATION | Corporate Officer/Principal | - |
Kosmos Energy Ghana, Inc.
 Kosmos Energy Ghana, Inc. Oilfield Services/EquipmentIndustrial Services Part of Kosmos Energy Ltd., Kosmos Energy Ghana, Inc. is a company based in Accra, Ghana. | Corporate Officer/Principal | - |
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
11
1st degree connections
7
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 7 |
|---|---|
Hess Corp.
 Hess Corp. Integrated OilEnergy Minerals Explores, produces, purchases, transports, and sells crude oil, natural gas liquids, and natural gas | Energy Minerals |
JKX Oil & Gas Ltd.
 JKX Oil & Gas Ltd. Oil & Gas ProductionEnergy Minerals Produces oil, gas and hydrocarbons | Energy Minerals |
Waldron Energy Corp.
 Waldron Energy Corp. Integrated OilEnergy Minerals Engages in acquisition, exploration, development and production of petroleum and natural gas reserves | Energy Minerals |
Kosmos Energy Ghana, Inc.
Kosmos Energy Ghana, Inc. Oilfield Services/EquipmentIndustrial Services Part of Kosmos Energy Ltd., Kosmos Energy Ghana, Inc. is a company based in Accra, Ghana. | Industrial Services |
Rex International Holding Ltd.
 Rex International Holding Ltd. Integrated OilEnergy Minerals Engages in the business of oil and gas exploration and production | Energy Minerals |
Caelus Energy LLC
Caelus Energy LLC Oil & Gas ProductionEnergy Minerals Operates as a oil explorer and producer company | Energy Minerals |
Masirah Oil Ltd.
Masirah Oil Ltd. Oil & Gas ProductionEnergy Minerals Provides oil and gas exploration services | Energy Minerals |
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