He first made his mark by figuring out new ways to analyze the performance of baseball players. More recently, he translated his number-crunching talents to the arena of politics -- and his predictions of an Obama landslide proved amazingly accurate. SXSW Interactive is proud to announce that Nate Silver of fivethirtyeight.com will serve as the keynote speaker on Sunday, March 15. Interviewing Silver at SXSW will be veteran BusinessWeek reporter Stephen Baker, whose recent book "The Numerati" explains the power of metadata in today's society. Click here to see the full lineup of keynote presenters for the 2009 event.

Image source: Newsweek