Dennis Crowley is an American internet entrepreneur recognized for his pioneering work in location-based mobile technology. He is currently the Co-Founder and CEO of Hopscotch Labs, a new venture focused on creating a 'Marauder's Map for AirPods' to enhance real-world experiences. He also serves as Co-Founder and Co-Chair of Foursquare, a prominent location technology platform launched in 2009, which is utilized by over 50 million people each month.