David Stiller is a resident author at CommunityMX.com (over 50 articles), co-author of Foundation Flash CS3 for Designers (friends of ED) and contributor to How to Cheat in Adobe Flash CS3 (Focal Press). He blogs regularly at quip.net/blog/ and is a longtime regular on the Adobe Flash and ActionScript support forums.
Rich Shupe is the co-author of Learning ActionScript 3.0 (O'Reilly) and has been teaching ActionScript programming to students of all levels since the language became available. He founded his own training and development company, FMA, in 1995 and is a faculty member of New York's School of Visual Arts' Computer Art Dept. He writes about ActionScript at http://www.LearningActionScript3.com.
Jen deHaan is a software quality engineer on the Flash authoring team at Adobe Systems, Inc. She is an author and co-author of 17 books (and tech editor for several others) over the past five versions of Flash. Jen's latest blog is at www.flashthusiast.com.
Darren Richardson is a technical editor for O'Reilly Media. He gained high visibility among Flash and ActionScript developers by writing over 50 articles for Web Designer Magazine and community-related sites. He can be found on a nearly daily basis blogging at www.playfool.com/blog/