Skip to content
Write a review
For vendors
♡
Sign in
Software categories
All software
Software Finder
Compare
Learn
Investors
Pitch decks
Deals
List your software
Home
/
Investors
/ William Callahan
WC
William Callahan
Angel Investor
About William Callahan
William Callahan is a angel investor in FinTech.
Investment focus
Sectors
FinTech
Portfolio
(1 in our database)
Pebble Finance
Passive indexing made personal
Seed · $4.0M raised
Similar investors
YC
Y Combinator
Accelerator · Mountain View · Founded 2005
Seed
Series A
Series B
Entertainment & Media
Creator Economy
Parenting
Information Technology
+88
4441
Investments
440
Exits
T
Techstars
Accelerator · Boulder · Founded 2006
Pre-Seed
Seed
Manufacturing
Advertising (AdTech)
AgTech (FarmTech)
Artificial Intelligence & Machine Learning (AI/ML)
+35
3579
Investments
367
Exits
M
MassChallenge
Accelerator · Boston, Massachusetts · Founded 2009
BioTech
Consumer
Consumer Electronics
Big Data & Analytics
+47
3044
Investments
160
Exits
5S
500 Startups
Venture Fund · San Francisco · Founded 2010
Seed
Series A
Series B
FinTech
Healthcare
Information Technology
Marketing (MarTech)
+72
2802
Investments
337
Exits
5G
500 Global
Venture Fund · San Francisco, Brazil · Founded 2010
Pre-Seed
Seed
Series A
AgTech (FarmTech)
AudioTech
Big Data & Analytics
E-Commerce
+5
2782
Investments
334
Exits
S
SOSV
Venture Fund · Princeton · Founded 1994
Pre-Seed
Seed
Series A
Advertising (AdTech)
AgTech (FarmTech)
Artificial Intelligence & Machine Learning (AI/ML)
AudioTech
+17
2306
Investments
57
Exits
