John Zeratsky is cofounder and general partner at Character Capital and a New York Times bestselling author. Previously, JZ was a design leader for YouTube, Google Ads, and FeedBurner, a startup which was acquired by Google in 2007, and was a partner at Google Ventures. He lives in Milwaukee, Wisconsin.
Together, Jake and JZ are the authors of Sprint and Make Time and the creators of the Foundation Sprint and the Design Sprint. They have helped more than 300 teams design new products and bring them to market, including those at Google, Microsoft, YouTube, Slack, Uber, and One Medical Group. Their methods for innovation and rapid collaboration have been adopted by Airbnb, Amazon, LEGO, MIT, Mercedes-Benz, Harvard Business School, the University of Oxford, and many other organizations.