![Mark Steven Leonard](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>)
Mark Steven Leonard is currently the President of Leonard Exploration, Inc. He previously worked as the Director-E&P International Ventures at Shell Oil Co., Director at Advanced Resource Technologies, Inc., and Independent Director at TGS ASA.
| Empresas | Cargo | Inicio |
|---|---|---|
Leonard Exploration, Inc. | Presidente | 26/07/2011 |
| Empresas | Cargo | Fin |
|---|---|---|
Advanced Resource Technologies, Inc.
 Advanced Resource Technologies, Inc. Other TransportationTransportation Provides information technology and security services | Director/Miembro de la Junta | - |
Shell Oil Co.
 Shell Oil Co. Integrated OilEnergy Minerals Operates as an integrated oil and gas company that engages in exploration, production, refining and marketing of oil & natural gas and manufactures petrochemicals | Corporate Officer/Principal | - |
| TGS ASA | Director/Miembro de la Junta | - |
Activas
Inactivas
Empresas cotizadas
Empresas privadas
| Empresas privadas | 4 |
|---|---|
Shell Oil Co.
Shell Oil Co. Integrated OilEnergy Minerals Operates as an integrated oil and gas company that engages in exploration, production, refining and marketing of oil & natural gas and manufactures petrochemicals | Energy Minerals |
TGS ASA
 TGS ASA Data Processing ServicesTechnology Services Specializes in initiates, acquires, process, markets and sells energy data and provides computing technologies, geophysical, wind, data acquisition and digital transformation services for energy companies | Technology Services |
Advanced Resource Technologies, Inc.
Advanced Resource Technologies, Inc. Other TransportationTransportation Provides information technology and security services | Transportation |
Leonard Exploration, Inc. |
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