Cornerstone Angels

Investment firm

Cornerstone Angels

Syndicate / Angel group

WebsiteLinkedIn pageCrunchbase profileNorthbrook·Illinois·United States5known portfolio companies3people tracked20co-investors

Cornerstone Angels is a syndicate. Based in Northbrook, Illinois, United States. Known portfolio companies include Agrivida, Front Range Biosciences, EatStreet, Intellihot and VacayHome Connect, 5 companies in all.

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Investment focus

Who to pitch at Cornerstone Angels

Cornerstone Angels portfolio companies (5)

  • Agrivida
  • Front Range Biosciences
  • EatStreet
  • Intellihot
  • VacayHome Connect

Co-investors

Funds that share portfolio companies with Cornerstone Angels.

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About Cornerstone Angels

The firm's listing covers sectors Climate, Commerce, Consumer and Healthcare, and focus areas Clean Energy, E-Commerce, FoodTech and Healthcare Services; known deals cluster at Growth, Pre-Seed and Seed.

The contacts to approach at Cornerstone Angels are Michael Gruber (Founder), Ron Mitra (Investor) and Sanjeev A. (Member).

Cornerstone Angels shares portfolio companies with 20 other investment firms, among them Independence Equity, Capital Midwest Fund and Presidio.

Frequently asked questions

What is Cornerstone Angels?

Cornerstone Angels is a syndicate based in Northbrook, Illinois, United States, with a known portfolio of 5 companies. The portfolio comes from public investment records rather than from the firm, so deals that never surfaced publicly are not in it.

What does Cornerstone Angels invest in?

Listed sectors include Climate, Commerce, Consumer and Healthcare; listed focus areas include Clean Energy, E-Commerce, FoodTech and Healthcare Services. Those tags come from the portfolio attached to the firm, so they describe what has been backed rather than a stated mandate for what comes next.

What stage does Cornerstone Angels invest at?

The known deals of Cornerstone Angels include Growth, Pre-Seed and Seed rounds. Check that against your own round before reaching out: stage mismatch is the most common reason a well matched sector still goes nowhere.

Who should I pitch at Cornerstone Angels?

All 3 people on file at Cornerstone Angels are listed as contacts for the firm, each with their own profile page.

How do I contact Cornerstone Angels?

Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The 3 people attached to the firm have their own pages, each showing whether an address is on file for them.

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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal