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Karl Baehr

Baehr created the entrepreneur studies program at Emerson College, but 'cut his teeth' first as a serial entrepreneur. The founder of Knowledge Based Evolution, which helps entrepreneurs launch (or turn around) their companies and Arbitron-competitor Actual Radio Measurement, he has grown Emerson's program into one of the country's most recognized. Today, over 200 students are enrolled in the program, which has launched some 40 startups.

Photo: Dark Sea Studios