![Stephen Twyerould](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: 2 M $ al 30/06/2026
Stephen C.
Twyerould is currently President, Chief Executive Officer & Director at Excelsior Mining Arizona, Inc. since 2010.
Dr. Twyerould is also a Director at Gunnison Copper Corp.
starting in 2026.
Former positions include Director-Exploration & Business Development at Reliance Mining Ltd., President & Director at AzTech Minerals, Inc. from 2006 to 2010, and Manager-Exploration at BHP Nickel West Pty Ltd. Education includes an undergraduate degree from the University of Melbourne in 1984 and a doctorate from the University of Oregon in 1997.
| Empresa | Fecha | Número de acciones | Valoración | Fecha de valoración |
|---|---|---|---|---|
GUNNISON COPPER CORP. 1,57 % | 03/04/2026 | 7.946.686 ( 1,57 % ) | 2 M $ | 30/06/2026 |
| Empresas | Cargo | Inicio |
|---|---|---|
| GUNNISON COPPER CORP. | Director/Miembro de la Junta | 14/10/2010 |
Excelsior Mining Arizona, Inc.
 Excelsior Mining Arizona, Inc. Other Metals/MineralsNon-Energy Minerals Provides copper mining and exploration services | Director Ejecutivo | 14/10/2010 |
| Empresas | Cargo | Fin |
|---|---|---|
AzTech Minerals, Inc.
 AzTech Minerals, Inc. Precious MetalsNon-Energy Minerals Operates as a gold and copper mining company | Presidente | 18/10/2010 |
BHP Nickel West Pty Ltd.
 BHP Nickel West Pty Ltd. SteelNon-Energy Minerals Engages in iron ore, copper, nickel, potash and metallurgical coal mining's | Corporate Officer/Principal | - |
Reliance Mining Ltd.
 Reliance Mining Ltd. Precious MetalsNon-Energy Minerals Explores and mines for gold and minerals | Corporate Officer/Principal | - |
Activas
Inactivas
Empresas cotizadas
Empresas privadas
Relaciones de 1er grado
Empresas vinculadas al 1er grado
Hombre
Mujer
Administradores
Ejecutivos
| Empresas privadas | 7 |
|---|---|
BHP Nickel West Pty Ltd.
BHP Nickel West Pty Ltd. SteelNon-Energy Minerals Engages in iron ore, copper, nickel, potash and metallurgical coal mining's | Non-Energy Minerals |
Gunnison Copper Corp.
 Gunnison Copper Corp. Other Metals/MineralsNon-Energy Minerals Mines for copper | Non-Energy Minerals |
Reliance Mining Ltd.
Reliance Mining Ltd. Precious MetalsNon-Energy Minerals Explores and mines for gold and minerals | Non-Energy Minerals |
University of Melbourne
 University of Melbourne Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
University of Oregon
 University of Oregon Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
AzTech Minerals, Inc.
AzTech Minerals, Inc. Precious MetalsNon-Energy Minerals Operates as a gold and copper mining company | Non-Energy Minerals |
Excelsior Mining Arizona, Inc.
Excelsior Mining Arizona, Inc. Other Metals/MineralsNon-Energy Minerals Provides copper mining and exploration services | Non-Energy Minerals |
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