Investor profile
Mike Ajnsztajn
Accelerator, Syndicate / Angel group, Venture capital & Advisor, Mentor ,Investor at TechLaunch, Co-Founder at ACE Ventures, Mentor at Endeavor Brasil, Co-Founder at GVAngels
Mike Ajnsztajn is a Co-Founder at GVAngels, whose known portfolio counts 11 companies.
Is Mike Ajnsztajn a fit for your startup?
Paste your website. AI checks the fit and scores every other investor too.
Investment focus
Contacts
Affiliated funds' portfolios
Advisor, Mentor ,Investor at TechLaunch, whose known portfolio counts 8 companies
- Echolocation
- 30 Second Showcase
- BeautyStat.com
- CodeSquare
- Inbox Messenger
- Invidio
- Relationship Analytics
- SeamBLiSS
Co-Founder at ACE Ventures, whose known portfolio counts 8 companies
- Sinpex
- Frota 162
- nsave
- Loopia
- Twiggy
- RETIZE
- GeoInovaAI
- GeoZoom AI
Mentor at Endeavor Brasil, whose known portfolio counts 2 companies
- Caveo
- Insole
Co-Founder at GVAngels, whose known portfolio counts 11 companies
- Movêu
- SleepUp
- Central da Visão
- GrowinCo
- HubLocal
- KIRO
- Mell.ro
- Sanii
- Emite Aí
- Tell Me Now
- Axxes Saude
Investor Profile
Mike Ajnsztajn is listed against sectors AI, Commerce, Consumer and FinTech, and focus areas AI Applications, Cloud Infrastructure, Cybersecurity and D2C in the database.
Stage-wise, the deals at GVAngels cluster around Pre-Seed, Seed and Series A rounds.
The firm portfolio and the focus above give founders context on whether Mike Ajnsztajn matches their raise.
Colleagues
Showing 20 of 75
Sergio Furio
Board Member
São Paulo, Brazil
Pedro Chiamulera
Mentor
São Paulo, Brazil
Wladimir Chinchio
Affiliated
São Paulo, Brazil
Larissa Nascimento
Business Development
São Paulo, Brazil
Igor Crabi Freitas
Investor
São Paulo, Brazil
Felipe Almeida
Endeavor Entrepreneur
São Paulo, Brazil
Ricardo Ferreira Nantes
Empreendedor Endeavor
Brazil
Renata Andrade
Angel Investor
São Paulo, Brazil
Joe Spivack
Startup Mentor
Closter, United States
Miguel Nahas
Partner
São Paulo, Brazil
Lara Leite
Partner e Diretora de Recursos Humanos na ACE Ventures
Campinas, Brazil
Ana Júlia Dumoncel
Investor
Porto Alegre, Brazil
Thiago de Paula
Investor
São Paulo, Brazil
Luiz Gustavo Tosta
Startup Angel Investor
São Paulo, Brazil
Juliana Guimarães
Investor
Vitória, Brazil
Vitor Umbelino
Portfolio Manager
Belo Horizonte, Brazil
Amanda Melo
Angel Investor
São Paulo, Brazil
Eduardo Antonio Scalese Jr.
Angel investor
São Paulo, Brazil
Fernando Rodrigues de Paula
Member
São Paulo, Brazil
Paulo César Luciano Junior
Angel Investor
São Paulo, Brazil
Frequently asked questions
Who is Mike Ajnsztajn?
Mike Ajnsztajn is an accelerator partner and syndicate member based in United States, listed as Co-Founder at GVAngels. The known portfolio of that firm counts 11 companies. That portfolio belongs to the firm, not to Mike Ajnsztajn personally.
What does Mike Ajnsztajn invest in?
Listed sectors include AI, Commerce, Consumer and FinTech; listed focus areas include AI Applications, Cloud Infrastructure, Cybersecurity and D2C. 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 Mike Ajnsztajn invest at?
GVAngels appears in Pre-Seed, Seed and Series A rounds across its known deals, and Mike Ajnsztajn is listed there as Co-Founder. 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 Mike Ajnsztajn listed at?
Mike Ajnsztajn is listed as Co-Founder at GVAngels. 75 other people in the database share a firm with Mike Ajnsztajn.
How do I contact Mike Ajnsztajn?
An email address, a phone number and a LinkedIn page are on file for Mike Ajnsztajn. The address stays masked on this page and is readable inside RaiseHunt after you create an account.
Skip the browsing. Let AI find your ideal investors in one minute.
Paste your startup website and AI picks your best-fit investors out of 135,000+ profiles.
Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal