Investor profile
Aaron Sisto
Venture capital & Partner at First Spark Ventures, Investor at Fundamental Labs
Aaron Sisto works as a Partner at First Spark Ventures. The firm's known portfolio counts 9 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
Partner at First Spark Ventures, whose known portfolio counts 9 companies
- Xona
- Fundamental Research Labs
- Unnatural Products
- Normal Computing
- Curve Biosciences
- Oath Surgical
- SoloPulse
- Vitara Biomedical
- Tidal Metals
Investor at Fundamental Labs, whose known portfolio counts 9 companies
- peaq
- Bitlight Labs
- NexGami
- Truflation
- Gamic
- Checkit AI
- Pop Social
- XMAQUINA
- Bitfi
Investor Profile
Founders in the listed sectors AI, Climate, Consumer and FinTech, and focus areas Advanced Materials, Biotech, Children and Cloud Infrastructure fall inside that listing.
Stage-wise, the deals at First Spark Ventures cluster around Pre-Seed, Seed and Series A rounds.
The firm portfolio and the focus above give founders context on whether Aaron Sisto matches their raise.
Colleagues
Frequently asked questions
Who is Aaron Sisto?
Aaron Sisto is a venture capital investor based in San Francisco, California, United States, listed as Partner at First Spark Ventures. The known portfolio of that firm counts 9 companies. That portfolio belongs to the firm, not to Aaron Sisto personally.
What does Aaron Sisto invest in?
Listed sectors include AI, Climate, Consumer and FinTech; listed focus areas include Advanced Materials, Biotech, Children and Cloud Infrastructure. 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 Aaron Sisto invest at?
First Spark Ventures appears in Pre-Seed, Seed and Series A rounds across its known deals, and Aaron Sisto is listed there as Partner. 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 Aaron Sisto listed at?
Aaron Sisto is listed as Partner at First Spark Ventures. 6 other people in the database share a firm with Aaron Sisto.
How do I contact Aaron Sisto?
An email address, a phone number and a LinkedIn page are on file for Aaron Sisto. The address stays masked on this page and is readable inside RaiseHunt after you create an account.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal
