Alex Finkelstein works as a General Partner at Spark Capital. The firm's known portfolio counts 25 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
General Partner at Spark Capital, whose known portfolio counts 25 companies
- Granola
- Arya
- 9fin
- The Interaction Company of California
- Timehop
- Paystack
- Shepherd
- Antithesis
- Parkable
- Synera
- Mastra
- Qdrant
- and 13 more
Investor Profile
Alex Finkelstein is listed against sectors AI, Commerce, Consumer and FinTech, and focus areas AI Infrastructure, Crypto, Cybersecurity and Data in the database.
Stage-wise, the deals at Spark Capital cluster around Growth, Late-Stage and Pre-Seed rounds.
What the affiliated firm has backed is the closest available signal on whether Alex Finkelstein is worth approaching.
Colleagues at Spark Capital
Nabeel Hyatt
General Partner
San Francisco, United States
Jeremy G. Philips
Partner
United States
Todd Dagres
Founder and General Partner
Miami Beach, United States
Santo Politi
Founder and General Partner
Boston, United States
Jeff Doran
General Partner
Boston, United States
Yasmin Razavi
General Partner
San Francisco, United States
Hanseul Nam
Investor
San Francisco, United States
Kevin Thau
Venture Partner
New York, United States
Natalie Vais
General Partner
San Francisco, United States
Clay Fisher
General Partner
New York, United States
Coen Armstrong
Investor
San Francisco, United States
Natalie Sandman Krey
Investor
San Francisco, United States
Alex Finkelstein
General Partner
Boston, United States
William R.
General Partner
San Francisco, United States
Paul Conway
General Partner
Boston, United States
James Kuklinski
General Partner
New York, United States
Arpan Shah
Investor
San Francisco, United States
Frequently asked questions
Who is Alex Finkelstein?
Alex Finkelstein is a venture capital investor based in Boston, Massachusetts, United States, listed as General Partner at Spark Capital. The known portfolio of that firm counts 25 companies. That portfolio belongs to the firm, not to Alex Finkelstein personally.
What does Alex Finkelstein invest in?
Listed sectors include AI, Commerce, Consumer and FinTech; listed focus areas include AI Infrastructure, Crypto, Cybersecurity and Data. 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 Alex Finkelstein invest at?
Spark Capital appears in Growth, Late-Stage and Pre-Seed rounds across its known deals, and Alex Finkelstein is listed there as General 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 Alex Finkelstein listed at?
Alex Finkelstein is listed as General Partner at Spark Capital. 17 other people in the database share a firm with Alex Finkelstein.
How do I contact Alex Finkelstein?
An email address, a phone number and a LinkedIn page are on file for Alex Finkelstein. 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