![Frederico Marques](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>)
Patrimonio netto: 267 484 $ in data 30/06/2026
Frederico Marques is the founder of 4B Mining Corp., 4B Mining Participações Ltda.
Current jobs include Director at Brazil-Canada Chamber of Commerce, Director at PTX Metals, Inc. starting in 2024, and Head-Canada Region at Cescon, Barrieu, Flesch & Barreto Advogados.
Former jobs include Independent Director at G2 Goldfields, Inc. from 2012 to 2014, Director at Margaux Red Capital, Inc., Independent Director at Sigma Lithium Corp.
from 2018 to 2023, In-House Counsel at Vale SA, In-House Counsel at Oi SA, In-House Counsel at Novonor SA, Partner at Heenan Blaikie LLP, and Partner at McCarthy Tétrault LLP (Canada) from 2014 to 2020.
Education includes a doctorate from Universidade Federal do Rio Grande do Sul conferred in 2004, a graduate degree from Universidade Estadual do Rio de Janeiro conferred in 1996, and another graduate degree from Universidade Estadual do Rio de Janeiro conferred in 2000.
| Società | Data | Numero di azioni | Valutazione | Data di valutazione |
|---|---|---|---|---|
PTX METALS INC 2,08% | 13/02/2026 | 3.614.643 ( 2,08% ) | 267 484 $ | 30/06/2026 |
| Società | Posizione | Inizio |
|---|---|---|
| PTX METALS INC. | Direttore/Membro del Consiglio | 11/09/2024 |
Brazil-Canada Chamber of Commerce
 Brazil-Canada Chamber of Commerce Miscellaneous Commercial ServicesCommercial Services The Brazil-Canada Chamber of Commerce is a non-profit organization dedicated to strengthening commercial relations between Brazil and Canada. It operates nationwide with multiple chapters across Canadian provinces, connecting businesses, government entities, and professionals through a broad network and active committees focused on sectors such as mining, trade and investment, innovation, science and technology, ESG and sustainability, and education. The organization also provides curated information on Brazil and Canada’s economic and demographic profiles, supports advocacy, and publishes newsletters to foster bilateral business development and collaboration. The non-profit company is based in Toronto, Canada. The chamber facilitates access to Brazilian and Canadian dignitaries, organizes trade missions, and hosts sector-specific events to promote investment aligned with government priorities. Membership tiers cater to corporations, small businesses, startups, educational institutions, and institutional partners, offering benefits such as networking opportunities, sponsorship exclusivity, and market insights. | Direttore/Membro del Consiglio | - |
Cescon, Barrieu, Flesch & Barreto Advogados
 Cescon, Barrieu, Flesch & Barreto Advogados Miscellaneous Commercial ServicesCommercial Services Provides legal services | Corporate Officer/Principal | - |
4B Mining Corp.
 4B Mining Corp. 4B Mining Corp. is a company based in Toronto, Canada. 4B Mining Corp. was founded in 2019 by Frederico Marques. | Fondatore | - |
4b Mining Participações Ltda.
 4b Mining Participações Ltda. SteelNon-Energy Minerals Engages in the acquisition, exploration and development of iron ore and manganese projects | Fondatore | - |
| Società | Posizione | Fine |
|---|---|---|
| SIGMA LITHIUM CORPORATION | Direttore/Membro del Consiglio | 01/06/2023 |
McCarthy Tétrault LLP ( Canada)
 McCarthy Tétrault LLP ( Canada) Miscellaneous Commercial ServicesCommercial Services Provides legal services | Corporate Officer/Principal | 01/08/2020 |
| G2 GOLDFIELDS INC. | Direttore/Membro del Consiglio | 14/08/2014 |
Novonor SA
 Novonor SA Engineering & ConstructionIndustrial Services Operates as a holding company with interest in engineering, construction and petrochemical sectors | Consigliere Generale | - |
| ░░ ░░░░ | ░░░░░░░░░░░ ░░░░░░░░ | - |
Attive
Inattive
Società nel listino
Aziende private
Relazioni di 1° grado
Aziende connesse in 1º grado
Uomo
Donna
Amministratori
Dirigenti
| Aziende private | 15 |
|---|---|
Vale SA
 Vale SA SteelNon-Energy Minerals Mines and exports iron ore and pellets, manganese, and iron alloys | Non-Energy Minerals |
PTX Metals, Inc.
 PTX Metals, Inc. Precious MetalsNon-Energy Minerals Discovers and develops precious metals | Non-Energy Minerals |
G2 Goldfields, Inc.
 G2 Goldfields, Inc. Precious MetalsNon-Energy Minerals Operates as a resource exploration company that produces gold and other minerals | Non-Energy Minerals |
Margaux Red Capital, Inc.
 Margaux Red Capital, Inc. Financial ConglomeratesFinance Operates as a capital pool company | Finance |
Oi SA
 Oi SA Major TelecommunicationsCommunications Provides telecommunication services | Communications |
Novonor SA
Novonor SA Engineering & ConstructionIndustrial Services Operates as a holding company with interest in engineering, construction and petrochemical sectors | Industrial Services |
Heenan Blaikie LLP
 Heenan Blaikie LLP Miscellaneous Commercial ServicesCommercial Services Provides legal services | Commercial Services |
McCarthy Tétrault LLP ( Canada)
McCarthy Tétrault LLP ( Canada) Miscellaneous Commercial ServicesCommercial Services Provides legal services | Commercial Services |
Universidade Federal do Rio Grande do Sul
 Universidade Federal do Rio Grande do Sul Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Universidade Estadual do Rio de Janeiro
 Universidade Estadual do Rio de Janeiro Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Brazil-Canada Chamber of Commerce
Brazil-Canada Chamber of Commerce Miscellaneous Commercial ServicesCommercial Services The Brazil-Canada Chamber of Commerce is a non-profit organization dedicated to strengthening commercial relations between Brazil and Canada. It operates nationwide with multiple chapters across Canadian provinces, connecting businesses, government entities, and professionals through a broad network and active committees focused on sectors such as mining, trade and investment, innovation, science and technology, ESG and sustainability, and education. The organization also provides curated information on Brazil and Canada’s economic and demographic profiles, supports advocacy, and publishes newsletters to foster bilateral business development and collaboration. The non-profit company is based in Toronto, Canada. The chamber facilitates access to Brazilian and Canadian dignitaries, organizes trade missions, and hosts sector-specific events to promote investment aligned with government priorities. Membership tiers cater to corporations, small businesses, startups, educational institutions, and institutional partners, offering benefits such as networking opportunities, sponsorship exclusivity, and market insights. | Commercial Services |
Sigma Lithium Corp.
 Sigma Lithium Corp. Other Metals/MineralsNon-Energy Minerals Provides lithium mining services | Non-Energy Minerals |
Cescon, Barrieu, Flesch & Barreto Advogados
Cescon, Barrieu, Flesch & Barreto Advogados Miscellaneous Commercial ServicesCommercial Services Provides legal services | Commercial Services |
4b Mining Participações Ltda.
4b Mining Participações Ltda. SteelNon-Energy Minerals Engages in the acquisition, exploration and development of iron ore and manganese projects | Non-Energy Minerals |
4B Mining Corp.
4B Mining Corp. 4B Mining Corp. is a company based in Toronto, Canada. 4B Mining Corp. was founded in 2019 by Frederico Marques. |
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