Aaron Sisto

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

aar***@***.comPhone number on fileLinkedIn profile on fileAvailable after registration.
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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