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Marcio Fonseca
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Profile
Marcio Bastos Fonseca was the founder of GR Silver Mining Ltd., founded in 2018, and held the titles of President, Chief Executive Officer & Director from 2018 to 2022.
Former jobs include President & Chief Executive Officer at Soleil Capital Corp., President, Chief Executive Officer & Director at Goldplay Exploration Ltd., Independent Director at Atacama Pacific Gold Corp., Division Director-Metals & Energy at Macquarie Bank from 2004 to 2013, Independent Director at Strategx Elements Corp.
from 2024 to 2026, Independent Director at American Copper Development Corp.
from 2024 to 2026, Vice President-Corporate Development at SilverCrest Mines, Inc. from 2013 to 2015, and Member of the Australasian Institute of Mining & Metallurgy, Society of Economic Geologists, and Association of Professional Engineers & Geoscientists of BC.
Education includes graduate degrees from Imperial College London and The Royal School of Mines, and an undergraduate degree from Universidade Federal de Minas Gerais.
Former positions of Marcio Fonseca
| Companies | Position | End |
|---|---|---|
| STRATEGX ELEMENTS CORP. | Director/Board Member | 24/03/2026 |
| GR SILVER MINING LTD. | Chief Executive Officer | 28/02/2022 |
| AMERICAN COPPER DEVELOPMENT CORPORATION | Director/Board Member | 24/03/2026 |
Association of Professional Engineers & Geoscientists of BC
 Association of Professional Engineers & Geoscientists of BC Miscellaneous Commercial ServicesCommercial Services Operates as an association of professional engineers and geoscientists | Corporate Officer/Principal | 24/03/2026 |
Australasian Institute of Mining & Metallurgy
 Australasian Institute of Mining & Metallurgy Miscellaneous Commercial ServicesCommercial Services Provides services to professionals engaged in all facets of the global resources sector | Corporate Officer/Principal | 24/03/2026 |
Training of Marcio Fonseca
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
19
1st degree connections
14
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 14 |
|---|---|
SilverCrest Mines, Inc.
 SilverCrest Mines, Inc. Precious MetalsNon-Energy Minerals Engages in silver, gold and metals mining activities | Non-Energy Minerals |
Atacama Pacific Gold Corp.
 Atacama Pacific Gold Corp. Precious MetalsNon-Energy Minerals Engages in the acquisition, exploration and development of gold properties | Non-Energy Minerals |
Imperial College London
 Imperial College London Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Universidade Federal de Minas Gerais
 Universidade Federal de Minas Gerais Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
The Royal School of Mines
 The Royal School of Mines Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Australasian Institute of Mining & Metallurgy
Australasian Institute of Mining & Metallurgy Miscellaneous Commercial ServicesCommercial Services Provides services to professionals engaged in all facets of the global resources sector | Commercial Services |
Society of Economic Geologists
 Society of Economic Geologists Miscellaneous Commercial ServicesCommercial Services Operates an organization for economic development | Commercial Services |
Association of Professional Engineers & Geoscientists of BC
Association of Professional Engineers & Geoscientists of BC Miscellaneous Commercial ServicesCommercial Services Operates as an association of professional engineers and geoscientists | Commercial Services |
Macquarie Bank
 Macquarie Bank Investment Banks/BrokersFinance Provides investment banking and financial services | Finance |
Soleil Capital Corp.
 Soleil Capital Corp. Financial ConglomeratesFinance Operates as a capital pool company | Finance |
Goldplay Exploration Ltd. /Old/
 Goldplay Exploration Ltd. /Old/ Precious MetalsNon-Energy Minerals Explores minerals and gold | Non-Energy Minerals |
GR Silver Mining Ltd.
 GR Silver Mining Ltd. Precious MetalsNon-Energy Minerals Engages in silver and gold exploration mining activities | Non-Energy Minerals |
Strategx Elements Corp.
 Strategx Elements Corp. Other Metals/MineralsNon-Energy Minerals Explores mineral properties | Non-Energy Minerals |
American Copper Development Corp.
 American Copper Development Corp. Precious MetalsNon-Energy Minerals Engages in gold exploration activities | Non-Energy Minerals |
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