![David Cornhill](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>)
David Cornhill
Fondateur chez
ALTAGAS LTD.
Fortune : 64 M $ au 30/09/2025
Profil
David Wallace Cornhill est un homme d'affaires qui a fondé AltaGas Ltd. et AltaGas Income Trust et qui a été à la tête de 9 entreprises différentes. Il occupe le poste de président du conseil d'administration d'AltaGas Utility Group, Inc. Il est également membre du conseil d'administration de la Compagnie pétrolière impériale Ltée, d'AltaGas Ltd. (ancien président) et de la Richard Ivey School of Business, ainsi que membre du conseil d'administration de l'Université de Western Ontario et membre de l'Institut des administrateurs de sociétés. Dans sa carrière passée, David Wallace Cornhill a été président et chef de la direction de Southern Gas Co. (Illinois), président du conseil et chef de la direction d'AltaGas Income Trust, président du conseil et chef de la direction d'AltaGas Services, Inc. et président du conseil, président et chef de la direction d'Altagas General Partner, Inc. et président de TriSummit Utilities, Inc. Ltd. et président-directeur général d'AltaGas Ltd. M. Cornhill a obtenu un diplôme de premier cycle de l'Université de Western Ontario et un MBA de la Richard Ivey School of Business.
Détentions connues dans des sociétés publiques
| Société | Date | Nombre d'actions | Valorisation | Date de valorisation |
|---|---|---|---|---|
ALTAGAS LTD. 0,52 % | 17/04/2026 | 1 629 873 ( 0,52 % ) | 63 M $ | 31/05/2026 |
| 30/09/2025 | 20 000 ( 0,3 % ) | 359 300 $ | 30/09/2025 | |
IMPERIAL OIL LIMITED -.--% | 31/03/2026 | 0 ( -.--% ) | - $ | 31/05/2026 |
Postes actifs de David Cornhill
| Sociétés | Poste | Début |
|---|---|---|
| ALTAGAS LTD. | Fondateur | 01/04/1994 |
| TRISUMMIT UTILITIES INC. | Président | - |
University of Western Ontario
 University of Western Ontario Other Consumer ServicesConsumer Services Functions as a College/University | Corporate Officer/Principal | - |
Richard Ivey School of Business
 Richard Ivey School of Business Other Consumer ServicesConsumer Services Functions as a College/University | Directeur/Membre du Conseil | - |
Institute of Corporate Directors
 Institute of Corporate Directors Miscellaneous Commercial ServicesCommercial Services Promotes governance and develops leadership skills | Corporate Officer/Principal | - |
Anciens postes connus de David Cornhill
| Sociétés | Poste | Fin |
|---|---|---|
| IMPERIAL OIL LIMITED | Directeur/Membre du Conseil | 04/05/2026 |
| ALTERRA POWER CORP | Directeur/Membre du Conseil | 01/01/2018 |
| PAINTED PONY ENERGY LTD. | Directeur/Membre du Conseil | 01/01/2017 |
AltaGas Services, Inc.
 AltaGas Services, Inc. Gas DistributorsUtilities Produces and markets natural gas and electrical power | Directeur Général | 01/01/2016 |
| ░░░░░░░░ ░░░░░ ░░░░░░░ ░░░░ | ░░░░░░░░░░░░░░░░ ░░ ░░░░░░░ | ░░░░░░░░░░ |
Formation de David Cornhill
Expériences
Fonctions occupées
Actives
Inactives
Sociétés cotées
Entreprise privées
Relations
46
Relations au 1er degré
19
Entreprises liées au 1er degré
Homme
Femme
Administrateurs
Exécutifs
Sociétés liées
| Entreprise privées | 19 |
|---|---|
Imperial Oil Ltd.
 Imperial Oil Ltd. Integrated OilEnergy Minerals Engages in exploration, production, manufacturing and sale of crude oil, natural gas, petroleum products & petrochemicals | Energy Minerals |
AltaGas Income Trust
 AltaGas Income Trust Investment Trusts/Mutual FundsMiscellaneous Closed-End Investment Fund/Investment Trust | Miscellaneous |
Taylor NGL LP
 Taylor NGL LP Oil & Gas ProductionEnergy Minerals Explores, produces, and develops oil and gas properties | Energy Minerals |
TriSummit Utility Group, Inc.
 TriSummit Utility Group, Inc. Gas DistributorsUtilities Provides natural gas distribution services | Utilities |
Painted Pony Energy Ltd.
 Painted Pony Energy Ltd. Integrated OilEnergy Minerals Engages in development and production of natural gas resources | Energy Minerals |
Magma Energy Corp.
 Magma Energy Corp. Alternative Power GenerationUtilities Explores, develops and operates geothermal energy projects | Utilities |
Alberta & Southern Gas Co. Ltd.
 Alberta & Southern Gas Co. Ltd. Electric UtilitiesUtilities Natural gas utility | Utilities |
University of Western Ontario
University of Western Ontario Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
AltaGas Services, Inc.
AltaGas Services, Inc. Gas DistributorsUtilities Produces and markets natural gas and electrical power | Utilities |
Altagas General Partner, Inc.
 Altagas General Partner, Inc. Investment Trusts/Mutual FundsMiscellaneous Part of AltaGas Ltd., Altagas General Partner, Inc. is a Canadian company. | Miscellaneous |
Institute of Corporate Directors
Institute of Corporate Directors Miscellaneous Commercial ServicesCommercial Services Promotes governance and develops leadership skills | Commercial Services |
AltaGas Ltd. /Old/
 AltaGas Ltd. /Old/ Electric UtilitiesUtilities Generates and transmits coal based power | Utilities |
Taylor Gas Liquids Ltd.
 Taylor Gas Liquids Ltd. Taylor Gas Liquids Ltd. is a Calgary-based private company that was formed in 2016 with an investment from CPP Investments to acquire and develop midstream infrastructure and opportunities in Canada. Backed by the Pension Plan Investment Board, Taylor Gas Liquids Ltd. is dedicated to developing innovative midstream solutions and transforming the future of carbon reduction through the development of world-scale CO2 infrastructure in Canada. The company operates Wolf Pipeline, Wolf Carbon, and Wolf NGL, and is changing the midstream landscape with its commitment to health, safety, and the environment. Taylor Gas Liquids Ltd. offers 24-hour emergency toll-free services for its pipelines and carbon services. | |
Southern Gas Co. (Illinois)
 Southern Gas Co. (Illinois) Gas DistributorsUtilities Provides fuel dealership services | Utilities |
AltaGas Ltd.
 AltaGas Ltd. Gas DistributorsUtilities Provides natural gas distribution services | Utilities |
Alterra Power Corp.
 Alterra Power Corp. Electric UtilitiesUtilities Operates as a renewable power company that produces hydro, wind and solar electricity | Utilities |
Richard Ivey School of Business
Richard Ivey School of Business Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Northern Power Systems Corp.
 Northern Power Systems Corp. Electrical ProductsProducer Manufacturing Designs, manufactures and services next-generation permanent magnet direct-drive wind turbines for the distributed wind market | Producer Manufacturing |
TriSummit Utilities, Inc.
 TriSummit Utilities, Inc. Gas DistributorsUtilities Generates hydroelectric power and provides natural gas distribution services | Utilities |
