Prior to that, he worked in the technical publications group at Apple, where he authored a number of the Inside Macintosh books. In the QuickTime group, he's worked on interactive media, Flash, sample applications, QuickTime Cocoa frameworks, and other fun stuff. In his spare time, he writes a monthly column for MacTech magazine on QuickTime programming. He is also the auhor of two recent books, QuickTime Toolkit, Volume One: Basic Movie Playback and Media Types, and QuickTime Toolkit, Volume Two: Advanced Movie Playback and Media Types (Morgan-Kaufmann, 2004).