NAME: Andrew Mason.
TITLE: Founder, CEO of Groupon Inc. (until Thursday)
EDUCATION: Bachelor's degree in music from Northwestern University.
PROFESSIONAL EXPERIENCE: Founded Groupon in November 2008 and served as CEO until Thursday. Previously worked as a software developer with InnerWorkings Inc.
PERSONAL: Was once a keyboardist in a punk band.
QUOTE: "I've decided that I'd like to spend more time with my family. Just kidding — I was fired today."