![Jeffrey MacDonald](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>)
Fortuna: 189 245 $ al 31/07/2026
Jeffrey Saunders MacDonald was the founder of Caledonia Oil & Gas Ltd. (2003, Chief Executive Officer) and Blackwatch Petroleum Services Ltd. (1995, Chairman & Managing Director).
Mr. MacDonald is also the founder of Highland Energy Holdings Ltd. Current job includes Non-Executive Director at KrisEnergy Holdings Ltd. (2009 - present).
Former jobs include Independent Non-Executive Chairman at Afentra Plc (2021 - 2025), Chairman at Delta Energy, Non-Executive Director at Empire Oil & Gas NL (2013), Director at Remora Energy International LP, Co-Managing Director at First Reserve International Ltd. (2007 - 2009), Director at Hansa Hydrocarbons Ltd., Executive Director at KrisEnergy Ltd. (2017), and Project Manager & Engineer at Conoco, Inc. Education includes an undergraduate degree from the University of Glasgow (1978).
| Empresa | Fecha | Número de acciones | Valoración | Fecha de valoración |
|---|---|---|---|---|
AFENTRA PLC 0,08 % | 13/05/2026 | 225.000 ( 0,08 % ) | 189 245 $ | 31/07/2026 |
| Empresas | Cargo | Inicio |
|---|---|---|
KrisEnergy Holdings Ltd.
 KrisEnergy Holdings Ltd. Oil & Gas ProductionEnergy Minerals Provides oil and gas exploration services | Director/Miembro de la Junta | 14/04/2010 |
| Empresas | Cargo | Fin |
|---|---|---|
| AFENTRA PLC | Presidente | 04/06/2025 |
| KRISENERGY LTD. | Director Ejecutivo | 24/08/2017 |
| EMPIRE OIL & GAS NL | Director/Miembro de la Junta | 22/11/2013 |
First Reserve International Ltd.
 First Reserve International Ltd. Investment ManagersFinance Acts as an alternative investment manager | Director of Investments | 31/12/2009 |
Caledonia Oil & Gas Ltd.
 Caledonia Oil & Gas Ltd. Contract DrillingIndustrial Services Explores and extracts oil and gas | Director Ejecutivo | 01/01/2005 |
Activas
Inactivas
Empresas cotizadas
Empresas privadas
Relaciones de 1er grado
Empresas vinculadas al 1er grado
Hombre
Mujer
Administradores
Ejecutivos
| Empresas privadas | 13 |
|---|---|
Conoco, Inc.
 Conoco, Inc. Oil Refining/MarketingEnergy Minerals Explores, refines and sells crude oil, natural gas & related lubricants | Energy Minerals |
Afentra Plc
 Afentra Plc Oil & Gas ProductionEnergy Minerals Engages in oil and gas exploration activities | Energy Minerals |
University of Glasgow
 University of Glasgow Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Highland Energy Holdings Ltd
 Highland Energy Holdings Ltd Oil & Gas ProductionEnergy Minerals Supplies gas | Energy Minerals |
Empire Oil & Gas NL
 Empire Oil & Gas NL Oil & Gas ProductionEnergy Minerals Engages in oil and gas exploration, development and production services | Energy Minerals |
Caledonia Oil & Gas Ltd.
Caledonia Oil & Gas Ltd. Contract DrillingIndustrial Services Explores and extracts oil and gas | Industrial Services |
Delta Energy
 Delta Energy Alternative Power GenerationUtilities Generates wind power | Utilities |
Remora Energy International LP
 Remora Energy International LP Oil & Gas ProductionEnergy Minerals Explores oil and gas | Energy Minerals |
First Reserve International Ltd.
First Reserve International Ltd. Investment ManagersFinance Acts as an alternative investment manager | Finance |
KrisEnergy Holdings Ltd.
KrisEnergy Holdings Ltd. Oil & Gas ProductionEnergy Minerals Provides oil and gas exploration services | Energy Minerals |
Hansa Hydrocarbons Ltd.
 Hansa Hydrocarbons Ltd. Oil & Gas ProductionEnergy Minerals Provides gas exploration | Energy Minerals |
Blackwatch Petroleum Services Ltd.
 Blackwatch Petroleum Services Ltd. Oilfield Services/EquipmentIndustrial Services Operates as a oil and gas company | Industrial Services |
KrisEnergy Ltd.
 KrisEnergy Ltd. Oil & Gas ProductionEnergy Minerals Operates as an upstream oil and gas company | Energy Minerals |
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