SMALL BUSINESS

Master Of 'Biz' Returns To School

09/01/2011 02:14 pm ET | Updated Nov 01, 2011

Twitter Inc. co-founder Christopher "Biz" Stone dropped out of college—twice, from Northeastern University and the University of Massachusetts, Boston—yet this fall he'll be advising M.B.A. students at the University of California at Berkeley's Haas School of Business on topics such as entrepreneurship and innovation.

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