![David Mullen](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: 495 387 $ al 31/05/2026
David J.
Mullen is the founder of Shelf Drilling Ltd., founded in 2012, where the title held is Executive Chairman.
Current jobs include Chief Executive Officer at Shelf Drilling International Holdings Ltd. and Shelf Drilling Holdings Ltd., Chairman & Chief Executive Officer at Shelf Drilling (North Sea) Ltd. since 2014, Senior Independent Director at Subsea 7 SA and Subsea 7 SA (Luxembourg) since 2021, and MD & Director-Geco Prakla Personnel Unit at Schlumberger Nigeria Ltd. Former jobs include Chief Executive Officer at Wellstream Holdings Ltd. from 2010 to 2011, Chief Executive Officer at Ocean Rig ASA from 2008 to 2010, Director at Sea1 Offshore, Inc., Principal at SLB Ltd., Senior VP-Global Marketing & Business Development at Transocean, Inc. from 2005 to 2008, SVP-Global Marketing & Business Development at Transocean Ltd., and President-South & North America at Schlumberger Oilfield Services, Inc. from 2001 to 2004.
Education includes undergraduate studies at Trinity College Dublin and graduate studies at the National University of Ireland.
| Empresa | Fecha | Número de acciones | Valoración | Fecha de valoración |
|---|---|---|---|---|
SUBSEA 7 S.A. 0,01 % | 31/12/2025 | 15.000 ( 0,01 % ) | 495 387 $ | 31/05/2026 |
| Empresas | Cargo | Inicio |
|---|---|---|
| SHELF DRILLING, LTD. | Fundador | 14/08/2012 |
| SUBSEA 7 S.A. | Director/Miembro de la Junta | 17/04/2018 |
| SHELF DRILLING (NORTH SEA), LTD. | Director Ejecutivo | 06/10/2022 |
Shelf Drilling Holdings Ltd.
 Shelf Drilling Holdings Ltd. Contract DrillingIndustrial Services Provides shallow water drilling services to the oil and gas industry | Director Ejecutivo | - |
Schlumberger Nigeria Ltd.
 Schlumberger Nigeria Ltd. Packaged SoftwareTechnology Services Develops technologies | Director Ejecutivo | - |
Shelf Drilling International Holdings Ltd.
 Shelf Drilling International Holdings Ltd. Contract DrillingIndustrial Services Provides shallow water drilling services to the oil and gas industry | Director Ejecutivo | - |
Subsea 7 SA (Luxembourg)
 Subsea 7 SA (Luxembourg) Engineering & ConstructionIndustrial Services Operates as a subsea engineering, construction and services company serving the offshore energy industry | Director/Miembro de la Junta | 01/01/2021 |
| Empresas | Cargo | Fin |
|---|---|---|
Wellstream Holdings Ltd.
 Wellstream Holdings Ltd. Oil & Gas PipelinesIndustrial Services Designs and manufactures of bespoke flexible pipeline products | Director Ejecutivo | 01/04/2011 |
Ocean Rig ASA
 Ocean Rig ASA Contract DrillingIndustrial Services Owns and operates drilling rigs | Director Ejecutivo | 07/08/2010 |
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Activas
Inactivas
Empresas cotizadas
Empresas privadas
Relaciones de 1er grado
Empresas vinculadas al 1er grado
Hombre
Mujer
Administradores
Ejecutivos
| Empresas privadas | 16 |
|---|---|
Schlumberger Ltd.
 Schlumberger Ltd. Contract DrillingIndustrial Services Designs and constructs wells and manufactures surface & midstream production systems | Industrial Services |
Transocean, Inc. /Old/
 Transocean, Inc. /Old/ Contract DrillingIndustrial Services Provides offshore contract drilling services for oil and gas wells | Industrial Services |
Wellstream Holdings Ltd.
Wellstream Holdings Ltd. Oil & Gas PipelinesIndustrial Services Designs and manufactures of bespoke flexible pipeline products | Industrial Services |
Transocean Ltd.
 Transocean Ltd. Contract DrillingIndustrial Services Provides offshore contract drilling services for oil and gas wells | Industrial Services |
Subsea 7 SA
 Subsea 7 SA Oilfield Services/EquipmentIndustrial Services Provides engineering and construction services to the offshore drilling industry | Industrial Services |
Ocean Rig ASA
Ocean Rig ASA Contract DrillingIndustrial Services Owns and operates drilling rigs | Industrial Services |
Schlumberger Oilfield Services, Inc.
 Schlumberger Oilfield Services, Inc. Oilfield Services/EquipmentIndustrial Services Provides oilfield exploration services | Industrial Services |
Trinity College Dublin
 Trinity College Dublin Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
National University of Ireland
 National University of Ireland Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Sea1 Offshore, Inc.
 Sea1 Offshore, Inc. Marine ShippingTransportation Provides distribution services for oil and gas | Transportation |
Schlumberger Nigeria Ltd.
Schlumberger Nigeria Ltd. Packaged SoftwareTechnology Services Develops technologies | Technology Services |
Shelf Drilling International Holdings Ltd.
Shelf Drilling International Holdings Ltd. Contract DrillingIndustrial Services Provides shallow water drilling services to the oil and gas industry | Industrial Services |
Shelf Drilling Holdings Ltd.
Shelf Drilling Holdings Ltd. Contract DrillingIndustrial Services Provides shallow water drilling services to the oil and gas industry | Industrial Services |
Shelf Drilling Ltd.
 Shelf Drilling Ltd. Contract DrillingIndustrial Services Provides shallow water drilling services to the oil and gas industry | Industrial Services |
Subsea 7 SA (Luxembourg)
Subsea 7 SA (Luxembourg) Engineering & ConstructionIndustrial Services Operates as a subsea engineering, construction and services company serving the offshore energy industry | Industrial Services |
Shelf Drilling (North Sea) Ltd.
 Shelf Drilling (North Sea) Ltd. Contract DrillingIndustrial Services Operates as a shallow water offshore drilling contractor company | Industrial Services |
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