MarketWatch columnist Frank Barnako has co-founded three Internet ventures, including CBS MarketWatch.com where he's managed the company's Washington unit and launched the company's radio network.

Prior to his involvement with the Internet, Barnako had careers in radio and television broadcasting and management.

Simultaneously, he has indulged entrepreneurial instincts by launching a number of businesses. He has lived in Great Falls, Va. since 1975. Frank is married to Donna, an internationally known textile and jewelry designer. Visit his site: Frank Barnako (http://blogs.marketwatch.com/barnako/)