Bio from Dave Winer's Wikipedia entry:
Dave Winer (b. May 2, 1955 in Brooklyn, New York City, USA) is an American software developer and entrepreneur in Berkeley, California. A pioneer in the areas of RSS (Really Simple Syndication)[1], XML-RPC, OPML[2], outliners, and the MetaWeblog API. He is also the author of Scripting News, one of the first weblogs, established in 1997[3], he is both an evangelist of RSS as "Really Simple Syndication" and the first to implement the feed "enclosure" feature, one of several necessary ingredients for podcasting at the time it first emerged[4]. He's also the founder of the software companies Living Videotext and Userland Software, and a former contributing editor at Wired Magazine and research fellow at Harvard Law School.