Investor profile

João Sampaio Vianna

Corporate VC, Private equity & Founding Partner of Ipanema Investments at Ipanema Investments, Investor at G2 Capital

Rio de Janeiro·Brazil

João Sampaio Vianna is an Investor at G2 Capital, whose known portfolio counts 9 companies.

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Investment focus

Stage: Growth Pre-Seed Seed Series A Series B
Sector: Climate Commerce Education FinTech Food Real Estate SaaS
Focus: API AgriTech Banking Clean Energy Customer Support Developer Tools EV EdTech Enterprise SaaS EventTechIntegration PlatformMobility Payments Sales TechSino-Brazil Partnerships

Contacts

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Affiliated funds' portfolios

Founding Partner of Ipanema Investments at Ipanema Investments, whose known portfolio counts 2 companies

AoCubo
Sling Hub

Investor at G2 Capital, whose known portfolio counts 9 companies

Digibee
a55
Koibanx
Gama Academy
Mell.ro
Ramper
Ingresse
HFocus
CustomerX

Investor Profile

The listing covers sectors Climate, Commerce, Education and FinTech, and focus areas API, AgriTech, Banking and Clean Energy. Startups operating in these areas may find João Sampaio Vianna relevant.

Stage-wise, the deals at G2 Capital cluster around Growth, Pre-Seed and Seed rounds.

What the affiliated firm has backed is the closest available signal on whether João Sampaio Vianna is worth approaching.

Colleagues

Camila Farani

Co-Founder G2 Capital

São Paulo, Brazil

AngelOperator angel

João Paulo Zica Fialho

Investor and Advisory Board Member

Belo Horizonte, Brazil

Private equityVenture capital

Henrique Diniz Mascarenhas

Angel Investor

Belo Horizonte, Brazil

Private equity

Pedro Marchi

Investor and Advisory Board Member

São Paulo, Brazil

Private equity

Augusto Tonza

Angel Investor

São Paulo, Brazil

Private equitySyndicate / Angel group

Tom Thompson

Managing Director

Concord, United States

Private equity

Frequently asked questions

Who is João Sampaio Vianna?

João Sampaio Vianna is a corporate venture investor and private equity investor based in Rio de Janeiro, Brazil, listed as Investor at G2 Capital. The known portfolio of that firm counts 9 companies. That portfolio belongs to the firm, not to João Sampaio Vianna personally.

What does João Sampaio Vianna invest in?

Listed sectors include Climate, Commerce, Education and FinTech; listed focus areas include API, AgriTech, Banking and Clean Energy. Those tags come from the portfolios of the firms this profile is attached to, so they read as a record of what has been backed rather than a stated preference for what comes next.

What stage does João Sampaio Vianna invest at?

G2 Capital appears in Growth, Pre-Seed and Seed rounds across its known deals, and João Sampaio Vianna is listed there as Investor. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.

Which firm is João Sampaio Vianna listed at?

João Sampaio Vianna is listed as Investor at G2 Capital. 6 other people in the database share a firm with João Sampaio Vianna.

How do I contact João Sampaio Vianna?

A LinkedIn page is on file for João Sampaio Vianna. It is readable inside RaiseHunt after you create an account. The database holds no email address and no phone number for this profile.

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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal