Title: CEO, Twitter
Born: September 10, 1963, Royal Oak, Michigan
Education: BS in computer science and communications, University of Michigan
Early Marker: Started and sold three Internet companies in the 1990s; the last one, Feedburner, was sold to Google for $100 million
Big Idea: Adding services and mobile apps to generate new revenue streams that can bolster core advertising business.
Wave of the Future: Social media
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