Karriereverlauf von Estuardo Alvarez-Calderon
Ehemalige bekannte Positionen von Estuardo Alvarez-Calderon
| Unternehmen | Position | Beginn | Ende |
|---|---|---|---|
| PETROTAL CORP. | Geschäftsführer | 18.12.2017 | - |
| Corporate Officer/Principal | - | 31.05.2021 | |
| BPZ Energy, Inc. /Old/ | Corporate Officer/Principal | - | - |
Sterling Resources Ltd.
 Sterling Resources Ltd. Oil & Gas ProductionEnergy Minerals Sterling Resources Ltd. engages in the exploration, appraisal, and development of crude oil and natural gas. It focuses on Peru, South America, in the Bretaña oil field. The company was founded by Robert G. Welty on August 31, 1979 and is headquartered in Houston, TX. | Geschäftsführer | - | - |
Statistik
International
| Vereinigte Staaten | 4 |
Operativ
| Chief Operating Officer | 2 |
| Corporate Officer/Principal | 2 |
Sektoral
| Energy Minerals | 4 |
Besetzte Positionen
Aktive
Inaktive
Börsennotierte Unternehmen
Private Unternehmen
Unternehmensverbindungen
| Börsennotierte Unternehmen | 1 |
|---|---|
| PETROTAL CORP. | Energy Minerals |
| Private Unternehmen | 2 |
|---|---|
Sterling Resources Ltd.
Sterling Resources Ltd. Oil & Gas ProductionEnergy Minerals Sterling Resources Ltd. engages in the exploration, appraisal, and development of crude oil and natural gas. It focuses on Peru, South America, in the Bretaña oil field. The company was founded by Robert G. Welty on August 31, 1979 and is headquartered in Houston, TX. | Energy Minerals |
| BPZ Energy, Inc. /Old/ | Energy Minerals |
