Profile
Estuardo Alvarez-Calderon formerly worked at Sterling Resources Ltd., as Vice President-Operations, BPZ Energy, Inc., as Vice President-Exploration & Production, and PetroTal Corp., as VP-Operations, Exploration & Development.
Former positions of Estuardo Alvarez-Calderon
| Companies | Position | End |
|---|---|---|
| PETROTAL CORP. | Chief Operating Officer | - |
| 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. | Chief Operating Officer | - |
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Listed companies | 1 |
|---|---|
| PETROTAL CORP. | Energy Minerals |
| Private companies | 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 |
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