Gabriel Sidi Vieira

Active Investor

Co-Founder & Managing Partner at EXT CAPITAL

São Paulo, São Paulo

LinkedIn

Gabriel Sidi Vieira, Co-Founder & Managing Partner at EXT CAPITAL is an active investor based in São Paulo, São Paulo. This profile covers what Gabriel Sidi Vieira backs, at which stage, and how founders can reach out in 2026.

Gabriel Sidi Vieira is a Co-Founder & Managing Partner at EXT CAPITAL and DOMO Invest, with a background in finance and digital marketing.

Gabriel Sidi Vieira invests in Fintech and Consumer & Retail, typically at Seed.

Location
São Paulo, São Paulo
Typical check
$250K

What does Gabriel Sidi Vieira invest in?

Investor type
VC
Stages
Seed

Where is Gabriel Sidi Vieira based?

Gabriel Sidi Vieira is based in São Paulo, São Paulo.

Browse more startup investors near Gabriel Sidi Vieira:
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How to reach Gabriel Sidi Vieira

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About this profile

This profile is part of Round Funded, an investor database and outreach platform for founders. It covers 60,000+ active VCs, angels, family offices and accelerators with verified contacts, lets you send pitches from your own Gmail, and includes a free Data Room for your raise. How this data is built.

Cite this page

Round Funded. "Gabriel Sidi Vieira." Round Funded investor database, updated September 22, 2026.

Stable URL, it will not change: https://www.roundfunded.com/en/investor/gabriel-sidi-vieira

Frequently Asked Questions

Who is Gabriel Sidi Vieira?

Gabriel Sidi Vieira, Co-Founder & Managing Partner at EXT CAPITAL is an active investor based in São Paulo, São Paulo. Gabriel Sidi Vieira invests in Fintech and Consumer & Retail, typically at Seed.

What does Gabriel Sidi Vieira invest in?

Gabriel Sidi Vieira invests in Fintech and Consumer & Retail, typically at Seed. Match your sector and stage, then reach out with a personalized pitch.

What stage does Gabriel Sidi Vieira invest at?

Gabriel Sidi Vieira typically invests at Seed. Lead with traction that fits the stage when you reach out.

What is Gabriel Sidi Vieira's typical check size?

Gabriel Sidi Vieira typically writes checks around $250K. Use it as a signal for whether your raise fits their stage.

Where is Gabriel Sidi Vieira based?

Gabriel Sidi Vieira is based in São Paulo, São Paulo.

How do founders reach investors like this?

Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.

What is Round Funded?

Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.

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