Eric Freeman is described by Head First series co-creator Kathy Sierra as "one of those rare individuals fluent in the language, practice, and culture of multiple domains from hipster hacker, to corporate VP, engineer, think tank." Professionally, Eric recently ended nearly a decade as a media company executive, having held the position ofCTO of Disney Online & Disney.com at The Walt Disney Company. Eric is now devoting his time to WickedlySmart.com and lives with his wife and young daughter on Bainbridge Island. He holds a Ph.D. in Computer Science from Yale University.