Dan Ratner is a serial entrepreneur, technologist, writer, and impact investor. He’s co-founder and CEO of Public Good, the leader in connecting the news with actions people can take to make a difference in the world. He’s also co-author of two books on nanotechnology, an investment committee member of Impact Engine, a proud board member of Open Books, Chicago’s biggest literacy non-profit, and a member of the advisory board of Cure Violence, the NGO working to bring healthcare methods to ending violence. Previously, he was the Director of Technology at Obama for America 2012 and CTO of Sittercity, America’s first and largest service dedicated to finding quality care online. He’s a frequent speaker on tech, AI, and entrepreneurship and he lives in Chicago with his incredible wife Genevieve Thiers and amazing twin sons Leo and Ari.