DENNIS CROWLEY
Co-founding Foursquare, building the first mainstream location check-in app, and pioneering location data as a business
Dennis Crowley figured out location-based social networking before smartphones made it obvious, built Dodgeball, watched Google buy it and kill it, then built Foursquare anyway. That is a level of persistence most founders can't match. Foursquare never had a splashy IPO, but it quietly became the location data layer powering apps like Apple Maps and Uber. Not every win is a unicorn exit — sometimes you build the infrastructure everyone else depends on.
Net Worth
$50M+ (estimated)
Nationality
American
Time Horizon
Long-Term
Risk Appetite
7 / 10
CAREER & BACKGROUND
Crowley studied at Syracuse University and then got an MPS from NYU's Interactive Telecommunications Program — one of the most interesting grad programs in tech. He built Dodgeball in 2000 as his thesis project: a location-based check-in service that predated the iPhone.
Google acquired Dodgeball in 2005 for a rumored $2.35 million. Google then largely ignored it and shut it down in 2009.
Crowley had already quit Google in frustration by then and co-founded Foursquare in 2009 with Naveen Selvadurai. Foursquare raised over $150 million in VC funding and at its peak had 55 million registered users.
When the consumer check-in fad faded, Crowley helped pivot Foursquare into a location data and analytics business — merging with Factual in 2020 and rebranding as Foursquare. The B2B data business serves companies like Apple, Samsung, and Microsoft.
He stepped back from the CEO role in 2015 and from the board in later years.
COMPANIES & ROLES
Dodgeball (founder, 2000 — sold to Google for ~$2.35M in 2005, shut down 2009). Foursquare (co-founder and CEO, 2009–2015).
Various angel investments in NYC-area tech startups.
INVESTING STYLE & PHILOSOPHY
Angel and advisor to early-stage consumer, location, and sports-tech companies. Backs NYC-based founders with genuine community and local-services angles.
Prioritizes mission over pure financial returns.
THE PLAYBOOK
Risk Approach
High. He watched his first company get acquired and quietly killed, then built the exact same concept again.
Most people would have quit after Google shut down Dodgeball. Crowley launched Foursquare the same year Google pulled the plug.
Money Habits
Stayed invested in Foursquare equity through the good years and the lean years rather than finding an early exit. Prioritizes building over cashing out.
BIGGEST WIN
Foursquare's pivot to location intelligence. When the consumer app declined, the company built a data-as-a-service business that became profitable without the flashy exit.
The 2020 merger with Factual created a $1B+ valuation data company. Quiet win, real win.
BIGGEST MISTAKE
Not fighting harder inside Google to resource Dodgeball properly. The concept was correct — location check-ins on mobile.
Google had the distribution to make it massive. Instead Google starved the product.
Crowley has said leaving without pushing back more is one of his biggest regrets.
FINANCIAL PHILOSOPHY
Build for permanence. Crowley stayed at Foursquare for over a decade through multiple pivots, consumer decline, and a complete business model reinvention.
He has shown more patience than most founders ever need.
FAMILY & PERSONAL LIFE
Married to Chelsa Crowley. Based in New York City.
Known for coaching youth soccer in New York, which reflects his genuine interest in sports and community — not a PR move.
EDUCATION
Syracuse University — BA. New York University, Tisch School of the Arts — MPS, Interactive Telecommunications Program (ITP), 2003.
BOOKS & RESOURCES
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QUOTES (5)
I built Dodgeball as a grad school thesis. I never thought Google would buy it. But when they did, I assumed that meant it was going to grow. I was wrong about that.
Google bought Dodgeball and then did nothing with it. That was painful. But it also proved the idea was right — and that we should build it ourselves.
The check-in was never the point. The point was understanding where people go and why — and turning that into something useful.
New York has a real startup community. It is not Silicon Valley, and that is actually a strength.
The hardest part of any pivot is convincing your team that the old version of the company is not the same as giving up.
NETFIGO SCORE
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Related Profiles
Investors
Brad Feld
Brad Feld's Union Square Ventures was an early institutional backer of Foursquare, investing at the Series A. Feld and Crowley share a philosophy around building community-driven businesses.
Jason Calacanis
Both are prominent figures in the NYC and early consumer internet investing scene. Calacanis invested in Foursquare at an early stage and has championed Crowley's work publicly.
Head-to-Head
Compare Dennis Crowley vs another investor.