![Douglas Manner](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>)
Douglas Manner
Direktor/Vorstandsmitglied bei
SINTANA ENERGY INC.
Vermögen: 2 Mio $ am 31.05.2026
Profil
Douglas Glenn Manner is currently a Non-Executive Director at S E Land Plc since 2007 and at Sintana Energy, Inc. starting in 2025.
Memberships include the Society of Petroleum Engineers, Inc. and the Association of Professional Engineers & Geoscientists of AB. Former roles include Chairman & Chief Executive Officer at Mission Resources Corp.
(2001-2002), Chief Executive Officer & Director at Westside Energy Corp.
(2005-2008), President, Chief Executive Officer & Director at Sintana Holdings Corp.
(2012), Chief Executive Officer at Bellwether Resources International, Inc., Chairman at Central Energy Partners LP (2004-2010), Chairman at Bellwether Exploration Co. (2000-2001), Chairman & Manager at Central Energy GP LLC (2010), Director at Penn Octane Corp.
(2008-2010), Director at Cordero Energy, Inc. (2005-2008), Independent Non-Executive Director at Cona Resources Ltd. (2014-2017), Chief Operating Officer & Vice President at Gulf Canada Resources Ltd. (1998-2000), Chief Operating Officer & Senior Vice President at Kosmos Energy LLC (2004-2015), President & Chief Operating Officer at White Stone Energy LLC (2002-2003), Partner at Northbrook Energy LLC (2008-2011), and other directorships and executive roles at various energy companies.
Education includes an undergraduate degree from William Marsh Rice University, conferred in 1977.
Bekannte Unternehmensbeteiligungen
| Unternehmen | Datum | Anzahl der Aktien | Bewertung | Datum der Bewertung |
|---|---|---|---|---|
SINTANA ENERGY INC. 1,01 % | 13.02.2026 | 5.195.558 ( 1,01 % ) | 2 Mio $ | 31.05.2026 |
Aktive Positionen von Douglas Manner
| Unternehmen | Position | Beginn |
|---|---|---|
| IRVINE ENERGY PLC | Direktor/Vorstandsmitglied | 09.09.2009 |
| SINTANA ENERGY INC. | Direktor/Vorstandsmitglied | 16.12.2025 |
Association of Professional Engineers & Geoscientists of AB
 Association of Professional Engineers & Geoscientists of AB Miscellaneous Commercial ServicesCommercial Services Operates an association for practices of engineering and geoscience | Corporate Officer/Principal | - |
Society of Petroleum Engineers, Inc.
 Society of Petroleum Engineers, Inc. Engineering & ConstructionIndustrial Services Provides petroleum engineering services | Corporate Officer/Principal | - |
Ehemalige bekannte Positionen von Douglas Manner
| Unternehmen | Position | Ende |
|---|---|---|
| CONA RESOURCES LTD | Direktor/Vorstandsmitglied | 22.06.2017 |
Northbrook Energy LLC
 Northbrook Energy LLC Electric UtilitiesUtilities Develops, owns and operates hydroelectric assets | Corporate Officer/Principal | 01.04.2011 |
| PENN OCTANE CORPORATION | Direktor/Vorstandsmitglied | 02.12.2010 |
| CENTRAL ENERGY PARTNERS LP | Vorsitzender | 17.11.2010 |
Cordero Energy, Inc.
 Cordero Energy, Inc. Contract DrillingIndustrial Services Explores oil and natural gas | Direktor/Vorstandsmitglied | 05.09.2008 |
Ausbildung von Douglas Manner
Erfahrungen
Besetzte Positionen
Aktive
Inaktive
Börsennotierte Unternehmen
Private Unternehmen
Beziehungen
64
Beziehungen ersten Grades
31
Unternehmen ersten Grades
Herr
Frau
Aufsichtsräte
Führungskräfte
Unternehmensverbindungen
| Private Unternehmen | 31 |
|---|---|
Mission Resources Corp.
 Mission Resources Corp. Oil & Gas ProductionEnergy Minerals Explores, develops and operates oil and natural gas properties | Energy Minerals |
Penn Octane Corp.
 Penn Octane Corp. Gas DistributorsUtilities Distributes, transports and markets liquefied petroleum gas | Utilities |
Gulf Canada Resources Ltd.
 Gulf Canada Resources Ltd. Oil & Gas ProductionEnergy Minerals Explores for, produces, and develops oil and gas properties | Energy Minerals |
Resolute Energy, Inc.
 Resolute Energy, Inc. Oil & Gas ProductionEnergy Minerals Explores for and produces gas and oil | Energy Minerals |
Westside Energy Corp.
 Westside Energy Corp. Oil & Gas ProductionEnergy Minerals Explores and develops oil and gas properties | Energy Minerals |
Central Energy Partners LP
 Central Energy Partners LP Wholesale DistributorsDistribution Services Provides liquid bulk storage, trans-loading and transportation services for hazardous chemicals and petroleum products | Distribution Services |
Blizzard Energy, Inc.
 Blizzard Energy, Inc. Oil & Gas ProductionEnergy Minerals Produce oil and natural gas | Energy Minerals |
Cordero Energy, Inc.
Cordero Energy, Inc. Contract DrillingIndustrial Services Explores oil and natural gas | Industrial Services |
Zenas Energy Corp.
 Zenas Energy Corp. Oil & Gas ProductionEnergy Minerals Explores, produce, and develops oil and gas properties | Energy Minerals |
Sintana Holdings Corp.
 Sintana Holdings Corp. Contract DrillingIndustrial Services Engaged in petroleum and natural gas exploration and development | Industrial Services |
Rice University
 Rice University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Gulf Midstream Services
 Gulf Midstream Services Oil & Gas ProductionEnergy Minerals Produces natural gas | Energy Minerals |
Bellwether Exploration Co.
 Bellwether Exploration Co. Oil & Gas ProductionEnergy Minerals Provides oil and gas exploration services | Energy Minerals |
CNR Petro Resources Ltd.
 CNR Petro Resources Ltd. Contract DrillingIndustrial Services Explores for and develops heavy oil resources | Industrial Services |
Kosmos Energy LLC
 Kosmos Energy LLC Contract DrillingIndustrial Services Provides oil and gas exploration services | Industrial Services |
S E Land Plc
 S E Land Plc Real Estate DevelopmentFinance Invests in real estate | Finance |
Ryder Scott Co. LP
 Ryder Scott Co. LP Miscellaneous Commercial ServicesCommercial Services Provides reservoir-evaluation consulting services | Commercial Services |
Society of Petroleum Engineers, Inc.
Society of Petroleum Engineers, Inc. Engineering & ConstructionIndustrial Services Provides petroleum engineering services | Industrial Services |
Central Energy GP LLC
 Central Energy GP LLC Oil & Gas ProductionEnergy Minerals Distributes, transports, and markets liquefied petroleum gas | Energy Minerals |
Association of Professional Engineers & Geoscientists of AB
Association of Professional Engineers & Geoscientists of AB Miscellaneous Commercial ServicesCommercial Services Operates an association for practices of engineering and geoscience | Commercial Services |
Petroleum Society of CIM | |
White Stone Energy LLC | |
Crusader Energy Group, Inc. /Old/
 Crusader Energy Group, Inc. /Old/ Oil & Gas ProductionEnergy Minerals Explores for oil and gas | Energy Minerals |
Crusader Energy Group, Inc.
 Crusader Energy Group, Inc. Oil & Gas ProductionEnergy Minerals Engages in acquisition, exploration, development, production and sale of oil & natural gas liquids | Energy Minerals |
Northbrook Energy LLC
Northbrook Energy LLC Electric UtilitiesUtilities Develops, owns and operates hydroelectric assets | Utilities |
Santa Maria Petroleum, Inc.
 Santa Maria Petroleum, Inc. Oil & Gas ProductionEnergy Minerals Engages in acquisition, exploration and development of petroleum interests | Energy Minerals |
Cona Resources Ltd.
 Cona Resources Ltd. Integrated OilEnergy Minerals Engages in the exploration, acquisition, development, and production of petroleum and natural gas reserves | Energy Minerals |
Mobius Resources, Inc.
 Mobius Resources, Inc. Oil & Gas ProductionEnergy Minerals Explores oil and natural gas properties | Energy Minerals |
Sintana Energy, Inc.
 Sintana Energy, Inc. Oil & Gas ProductionEnergy Minerals Operates as crude oil and natural gas exploration and development company | Energy Minerals |
Bellwether Resources International, Inc.
 Bellwether Resources International, Inc. Oilfield Services/EquipmentIndustrial Services Manufactures and distributes drilling accessories | Industrial Services |
Petrovera Energy Co. |
