Investor Lists

Solo angels backing Collaboration Tools

Updated 7 November 2026

Solo angels we have observed in a collaboration Tools round in the last two years.

See all 26 →The top 25
26investors on the listNo change this week
96cheques in 12 months+16% against the market
$10Mmedian round they joined+29% against the market median
69%wrote a cheque in 12 months
4%have led a round

The Top 25

Ordered by cheques observed, never by anything anyone paid for

Deploying now (17)

  1. 1Kunal ShahDeploying nowAngel104$2.5Mmedian roundOct 2026last seen
  2. 2Gokul RajaramDeploying nowAngel · United States100$8Mmedian roundNov 2026last seen
  3. 3Jeff DeanDeploying nowAngel · United States65$9.6Mmedian roundOct 2026last seen
  4. 4Scott BelskyDeploying nowAngel63$5Mmedian roundNov 2026last seen
  5. 5Lachy GroomDeploying nowAngel · United States37$12Mmedian roundOct 2026last seen
  6. 6Tikhon BernstamDeploying nowAngel · United States20$27Mmedian roundJul 2026last seen
  7. 7Stewart ButterfieldDeploying nowAngel15$35Mmedian roundOct 2026last seen
  8. 8Lenny RachitskyDeploying nowAngel · United States8$13Mmedian roundSept 2026last seen
  9. 9Amjad MasadquietAngel6$15Mmedian roundOct 2025last seen
  10. 10David FischerDeploying nowAngel5$3.5Mmedian roundFeb 2026last seen
  11. 11Justin RosensteinDeploying nowAngel · United States4$21Mmedian roundMar 2026last seen
  12. 12Rowan SimpsonquietAngel3$2Mmedian roundOct 2025last seen
  13. 13Cal HendersonDeploying nowAngel2$55Mmedian roundMay 2026last seen
  14. 14Carolyn EversonDeploying nowAngel2$3.5Mmedian roundOct 2026last seen
  15. 15Karri SaarinenquietAngel1$43Mmedian roundMay 2025last seen
  16. 16Stephen WolframquietAngel1$5.7Mmedian roundSept 2025last seen
  17. 17Alex ZaccariaquietAngel1$3.5Mmedian roundFeb 2025last seen
  18. 18Anton BorzovquietAngel1$2.6Mmedian roundJun 2025last seen
  19. 19Harshil MathurDeploying nowAngel · India1$5.5Mmedian roundJul 2026last seen
  20. 20Jeff WeinsteinquietAngel1$82Mmedian roundJun 2025last seen
  21. 21Russ HeddlestonDeploying nowAngel1$11Mmedian roundMar 2026last seen
  22. 22Sarah ParkquietAngel1$331Kmedian roundOct 2025last seen
  23. 23Shashank KumarDeploying nowAngel · India1$5.5Mmedian roundJul 2026last seen
  24. 24Shawn WangDeploying nowAngel1$11Mmedian roundMar 2026last seen
  25. 25Victor RiparbelliDeploying nowAngel1$75Mmedian roundMay 2026last seen
1 more on this list

All 26 are in the app, with filters for stage, sector and market. A free account shows 10 per search, Pro up to 1,000.

See the whole list →

Quick answers about solo angels backing Collaboration Tools

Who are the most active solo angels backing Collaboration Tools?

By cheques observed, the most active are Kunal Shah, Gokul Rajaram, Jeff Dean, Scott Belsky and Lachy Groom.

How many solo angels backing Collaboration Tools are there?

26 are on record. 69% made an investment in the last 12 months and 4% have led a round.

Which stages do solo angels backing Collaboration Tools back?

Of the rounds with a named stage in the last 12 months, mostly Seed (47%) and Series A (30%).

How big are the rounds solo angels backing Collaboration Tools join?

The typical (median) round among the leading investors here is $9.6M.

Which sectors do solo angels backing Collaboration Tools back most?

In the last 12 months, mostly AI, Software and Collaboration Tools.

Where are solo angels backing Collaboration Tools based?

Among the most active, most are based in the United States (6) and India (2).

What have solo angels backing Collaboration Tools invested in recently?

Recent rounds include Siggy (Pre-seed, Nov 2026, with Gokul Rajaram), Archiboost AI (Pre-seed, Nov 2026, with Scott Belsky) and Mintive (Seed, Oct 2026, with Jeff Dean).

How is this list of solo angels backing Collaboration Tools ranked?

By cheques observed, from the rounds and filings we watched, and never by anything anyone paid for. It is rebuilt every night.

Built from the rounds we watched, refreshed every night. How we count · Report a correction