Dan Roam is the author of three international bestselling books on visual communications which have been translated into 31 languages. "The Back of the Napkin: Solving Problems with Pictures" was named by Fast Company, The London Times, and BusinessWeek as 'Creativity Book of the Year.' Dan's newest book, "Show and Tell: How Everyone Can Make Extraordinary Presentations" was named Amazon's Top-20 business book of the year. Dan has helped leaders at Google, Microsoft, Deloitte, Intel, Kraft, eBay, Gap, GE, IBM, the US Navy, and the United States Senate solve complex problems with simple pictures. Dan's "American Health Care on the Back of a Napkin" was voted by BusinessWeek as the world's greatest presentation of 2009, and prompted the White House to invite Dan in to train members of the President's communications team. Dan and his whiteboard appear frequently on CNN, MSNBC, ABC, CBS, Fox, and NPR. Dan's NapkinAcademy online is the world's first complete visual-thinking course, and is subscribed to by businesspeople from over 43 countries. Dan lives in San Francisco.