Dennis Crowley

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Dennis Crowley
Dcrowley headshot sunset.jpg
Born (1976-06-19) June 19, 1976 (age 37)
Nationality American
Alma mater Syracuse University (B.A. 1998) New York University (M.P.S. 2004)
Occupation internet entrepreneur
Known for Co-founder of Dodgeball and Foursquare

Dennis Crowley (born June 19, 1976) is an American Internet entrepreneur best known for co-founding the popular social networking sites Dodgeball and Foursquare.


Crowley was born in Medway, Massachusetts and graduated from nearby Xaverian Brothers High School in Westwood, Massachusetts in 1994 and was featured in the front-cover story of Xaverian's seasonal magazine. He received a B.A. in 1998 from Syracuse University's S.I. Newhouse School of Public Communications and a M.P.S. master's degree in 2004 from New York University's Tisch School of the Arts Interactive Telecommunications Program (ITP).[1]


Crowley co-founded Dodgeball with fellow student Alex Rainert in 2003 while attending New York University.[2] Dodgeball was subsequently acquired by Google in 2005,[3] after which Crowley along with Naveen Selvadurai developed a second version of the original Dodgeball service called Foursquare in 2009. Foursquare, offering location-based social networking services via mobile devices, had over 6 million users worldwide as of January 2011,[4] 10 million users as of June 2011[5] and 25 million users reportedly in August 2012.[6]


Crowley has been a member of the Crain's New York Business 40 Under 40 in 2011; he was also named one of Fortune Magazine's "40 under 40" Business's hottest rising stars in 2010.[7][8] The online magazine ranked Dennis Crowley number 19 of the "Top 49 Most Influential Men 2010."[9] In 2005, he was named to the MIT Technology Review TR35 as one of the top 35 innovators in the world under the age of 35.[10]


  1. ^ New York University – Alumni Profile: Dennis Crowley (TSOA '04)
  2. ^ Adams, Tim (25 April 2010). "Will Foursquare be the new Twitter?". The Guardian. 
  3. ^ Polytechnic University paper
  4. ^ "So we grew 3400% last year…". January 28, 2011. 
  5. ^ Sarah Lacy. "Foursquare Closes $50M at a $600M Valuation". TechCrunch. Retrieved 24 June 2011. 
  6. ^ Sloane, Garrett. "Foursquare’s big overhaul falls flat with users". The New York Post. Retrieved 1 February 2013. 
  7. ^ Kira Bindrim. "Dennis Crowley". Retrieved 28 June 2012. 
  8. ^ 40 under 40 – 29. Dennis Crowley – FORTUNE
  9. ^ "Dennis Crowley Top49 Men". October 31, 2010. 
  10. ^ "2005 Young Innovators Under 35". Technology Review. 2005. Retrieved August 15, 2011. 

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