

He pioneered the idea of location-based social networking, first with Dodgeball and then with the massively influential Foursquare.
Long before every smartphone app knew where you were, Dennis Crowley was sketching ideas for connecting people based on place. A graduate of Syracuse University and NYU's Interactive Telecommunications Program, his thesis project evolved into Dodgeball, a service that let users text their location to friends. While it gained a cult following, it was ultimately acquired and shelved by Google. Unfazed, Crowley doubled down on the concept. In 2009, he co-founded Foursquare, which turned checking into locations into a game of badges and mayorships, creating a viral social phenomenon. Crowley's deeper insight was that this playful data layer had immense utility. He later steered the company through a pivotal split, spinning off the popular Swarm app for social check-ins while transforming the core Foursquare into a powerful location intelligence and data platform used by thousands of businesses. His work fundamentally shaped how apps understand physical space and user mobility.
1965–1980
The latchkey kids. Raised during divorce, recession, and the end of the Cold War. Skeptical, self-reliant, media-literate. They invented indie culture, grunge, and the early internet — then watched the Boomers take credit.
Dennis was born in 1976, placing them squarely in the Generation X. The events that shaped this generation — economic uncertainty, the end of the Cold War, and the rise of personal computing — shaped the world they entered and the choices available to them.
The biggest hits of 1976
#1 Movie
Rocky
Best Picture
Rocky
#1 TV Show
All in the Family
The world at every milestone
Apple Computer founded; US bicentennial
MTV launches; first Space Shuttle flight; AIDS identified
Berlin Wall falls; Tiananmen Square protests
LA riots after Rodney King verdict
Nelson Mandela elected president of South Africa
Princess Diana dies in Paris car crash; Harry Potter published
Twitter launches; Pluto reclassified as dwarf planet
Donald Trump elected president; Brexit vote
He is an avid snowboarder and skateboarder.
His thesis project at NYU's ITP was the prototype for Dodgeball.
He served as an adjunct professor at NYU's Interactive Telecommunications Program.
Foursquare's name was inspired by the childhood playground game.
“We're trying to build things that we want to use ourselves.”