Alejandro Rivera Stambuk

Chairman at EL Tesoro

Non-Energy Minerals

Consumer Services

Profile

Alejandro Rivera Stambuk is currently the Chairman of EL Tesoro and a Director at Twin Metals Minnesota LLC since 2014.
Previously, he held positions as Chairman at Minera Michilla SA, Vice President-Corporate Development at Antofagasta Plc, and Vice President-Administration & Finance at Corporación Nacional del Cobre de Chile.
He obtained an undergraduate degree from the University of Chile.

Alejandro Rivera Stambuk active positions

Companies	Position	Start
EL Tesoro EL Tesoro Other Metals/MineralsNon-Energy Minerals Part of Antofagasta Plc, EL Tesoro provides copper mining.	Chairman	-
Twin Metals Minnesota LLC Twin Metals Minnesota LLC Other Metals/MineralsNon-Energy Minerals Twin Metals Minnesota LLC provides copper, nickel, platinum and related mineral mining services. The company was founded in January 2010 and is headquartered in St. Paul, MN.	Director/Board Member	10/07/2014

All active positions of Alejandro Rivera Stambuk

Former positions of Alejandro Rivera Stambuk

Companies	Position	End
Minera Michilla SA Minera Michilla SA Other Metals/MineralsNon-Energy Minerals Minera Michilla SA is a mining company. It is engaged in producing copper, gold and their by-products in the open pit and underground mine, and the cathode production plant. The company was founded on May 29, 1959 and is headquartered in Santiago, Chile.	Chairman	-
Corporación Nacional del Cobre de Chile Corporación Nacional del Cobre de Chile Other Metals/MineralsNon-Energy Minerals Corporación Nacional del Cobre de Chile engages in the exploration, mining, processing, and production of copper. The firm also produces copper concentrates, blister and anode copper, molybdenum, anode slime, and sulfuric acid. It operates through the following divisions: Chuquicamata, Radomiro Tomic, Salvador, Andina, El Teniente, Ventanas, Gabriela Mistral, and Ministro Hales. The company was founded on April 1, 1976 and is headquartered in Santiago, Chile.	Chief Executive Officer	-
ANTOFAGASTA PLC	Corporate Officer/Principal	-

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Training of Alejandro Rivera Stambuk

University of Chile

Undergraduate Degree

Experiences
Positions held

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Inactive

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Private companies

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Female

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Linked companies

Listed companies	1
ANTOFAGASTA PLC	Non-Energy Minerals

Private companies	4
Twin Metals Minnesota LLC Twin Metals Minnesota LLC Other Metals/MineralsNon-Energy Minerals Twin Metals Minnesota LLC provides copper, nickel, platinum and related mineral mining services. The company was founded in January 2010 and is headquartered in St. Paul, MN.	Non-Energy Minerals
EL Tesoro EL Tesoro Other Metals/MineralsNon-Energy Minerals Part of Antofagasta Plc, EL Tesoro provides copper mining.	Non-Energy Minerals
Corporación Nacional del Cobre de Chile Corporación Nacional del Cobre de Chile Other Metals/MineralsNon-Energy Minerals Corporación Nacional del Cobre de Chile engages in the exploration, mining, processing, and production of copper. The firm also produces copper concentrates, blister and anode copper, molybdenum, anode slime, and sulfuric acid. It operates through the following divisions: Chuquicamata, Radomiro Tomic, Salvador, Andina, El Teniente, Ventanas, Gabriela Mistral, and Ministro Hales. The company was founded on April 1, 1976 and is headquartered in Santiago, Chile.	Non-Energy Minerals
Minera Michilla SA Minera Michilla SA Other Metals/MineralsNon-Energy Minerals Minera Michilla SA is a mining company. It is engaged in producing copper, gold and their by-products in the open pit and underground mine, and the cathode production plant. The company was founded on May 29, 1959 and is headquartered in Santiago, Chile.	Non-Energy Minerals

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