Tom Preston-Werner is a web developer at The Active Network, where he heads up user interface development on the new active.com. Every month, Tom organizes meetings of the San Diego Ruby Brigade where he can discuss and explore ideas with other passionate Rubyists. As a member of Caboose, he actively participates in the future of Ruby on Rails. Tom is also well known as the creator of Gravatars (Globally Recognized Avatars), and continues to work towards innovations in online presence. Any of his extra free time is used to write Ruby libraries, or dabble in marginalized programming languages.