Thiago Vieira, LL.M

Investor | Exited cybersec founder | Intl. Lawyer

📍 Portugal🔄 Updated September 2026💼 3 investments📅 6 years investing🗓 Last invested Nov 2025
VC🌍 PortugalInvested this year
3
Total investments
2
Early stage
0
Mid stage
1
Late stage
6y
Years active

Portfolio

3 investments · sorted by recency
All investments
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Late stage
CyberDefense Angel Investor Leader
Nov 2025
COREangels is a global brand of hands-on angels, investing in early-stage startups through local portfolio funds. Our funds invest in a portfolio selected by the angels from a pool of startups curated by the leaders. Our angels are doing an incredible job of contributing to their local communities by, not only investing their money in the next generation of entrepreneurs but also mentoring them, with their experience and network. COREangel funds are co-investing across borders, sharing good practices, tools and opportunities using one proven model that merges financial outcomes with angel involvement.
Business Angel
Oct 2024
We are a group of business angels investing at the seed stage in startups of Porto’s area that are addressing global markets.
Angel investor
Nov 2020
We are a group of Business Angels, established in Portugal to support and fund the internationalization of Brazilian start-ups, willing to come to Europe via Portugal. Our main goal is to deliver a great Business Angels experience by empowering those involved in the entrepreneurial world. We truly believe that sharing knowledge is the key ingredient to success. Our group of angels is very diversified, transparent, open-minded and involved. We want our startups to be the best version of themselves, in order for them to bring innovative solutions to our societys problems and demands. So, if you are a star-up in Brazil, with more than one year of revenues, a great team, a relevant opportunity and need help, you came to the right place. Applications on https://gust.com/organizations/coreangels-atlantic/funding_applications/responses/sessions/new
Experience · 9 entries
All (9)
Investments (3)
Founder (5)
2025
CyberDefense Angel Investor Leader
Nov 2025
COREangels is a global brand of hands-on angels, investing in early-stage startups through local portfolio funds. Our funds invest in a portfolio selected by the angels from a pool of startups curated by the leaders. Our angels are doing an incredible job of contributing to their local communities by, not only investing their money in the next generation of entrepreneurs but also mentoring them, with their experience and network. COREangel funds are co-investing across borders, sharing good practices, tools and opportunities using one proven model that merges financial outcomes with angel involvement.
Managing Partner
Nov 2025
COREangels CyberDefense is an angel investment fund dedicated to backing the next generation of cybersecurity, defense, and dual-use technology startups in Portugal, Spain, and across Europe. We invest in founders building critical capabilities for a safer, more resilient world — from cyber protection and intelligence systems to defense innovation and critical infrastructure resilience. With a target of €5M invested in up to 30 startups, our fund combines experienced leadership, deep technical expertise, and the strength of the COREangels International community, one of Europe’s most active angel communities. Our investment model blends: - Professional selection led by specialized fund leaders - Collective intelligence from a global angel investor network - Hands-on support through our Cybertech Acceleration pipeline - Strategic co-investment opportunities with European partners At COREangels CyberDefense, we focus on technologies that strengthen security and resilience, including: • Cybersecurity & threat detection • Defense tech & dual-use solutions • AI for security • Critical infrastructure protection • Intelligence & situational awareness Our purpose is clear: Powering the guardians of tomorrow. We support founders solving the world’s most pressing security challenges — and the investors who believe in them. If you are a founder building cybersecurity or defensetech solutions, or an investor looking to join a mission-driven community shaping Europe’s security innovation landscape, we’d love to connect.
Mentoring and Consulting for Startup Founders
Jul 2025
At BrandMentor consulting we help our clients build their personal brands and communicate it in such a way that their ideal customers feel attracted to their ideas, products and services.
Co-founder | Forensics
Jul 2025
Blue·auth — Turning Trust into a Digital Standard In a world where files travel faster than trust, Blue·auth makes authenticity effortless. We secure contracts, reports, diplomas — any document that matters — with blockchain-backed integrity, sequential or single signatures, and instant QR verification. Our token-based model means you pay only for what you use. No hidden costs. No complexity. Just secure, verifiable documents in minutes. With Blue·auth, teams collaborate with confidence: • Sign together, anywhere — sequential or parallel • Verify instantly — one QR scan tells the whole story • Stay compliant — GDPR & LGPD ready • Control access — company-wide visibility or private mode Because every file you share is a promise — and we believe promises should never be broken. Integrity protected. QR verified.
2024
Co-Founder & CEO
Oct 2024
First Cybersecurity Acceleration Program in Portugal
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Investment activity
2020–2025 · 3 investments
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