Alex Finkelstein - Angel Investor Profile

Location: Boston, MA

General Partner at Spark Capital. Led investments in Warby Parker, Twitter, Foursquare.

Investment Focus & Industries

  • consumer
  • marketplace
  • saas
Alex Finkelstein

Alex Finkelstein

Verified: Jun 2026 (SMTP Validated)👑 Lead Investor
Boston, MA
𝕏 Twitter/Xin LinkedIn
Check Size Range

Flexible Check Size

Preferred Stages
seedseries-aseries-b

Background & Investment Thesis

General Partner at Spark Capital. Led investments in Warby Parker, Twitter, Foursquare.

Focus Industries

consumermarketplacesaas

Notable Portfolio & Backed Deals

Warby ParkerTwitterFoursquare
AI Outreach Insight94% Match Score

Active investor in consumer, marketplace, saas. Highly responsive to concise pitches with clear traction metrics.