Bradley A. Keywell is an American billionaire entrepreneur. He is the founder and executive chairman of Gigawatt AI, an AI-native operating system for electric and gas utilities. He is an original investor of Tempus AI, and on its Board from inception until 2019. He is a founder of Groupon, Uptake Technologies, Infinite Epigenetics, Echo Global Logistics, Mediaocean, DRIVIN, and Lightbank. He founded WNDR Museum and Chicago Ideas.