David Stang's first career was as a research psychologist; his second in software, information security, and organizational development. In the course of these careers, he taught college, wrote a dozen books and hundreds of articles, and gave hundreds of seminars around the world. He founded the first IBM PC systems house and mail order business in the Washington DC area (1981), the National Computer Security Association (1989), Quarterdeck's Antivirus Research Center, the North American operations of Norman Data Defense Systems, and Seven Locks Software. He co-founded PestPatrol, where he directed the Center for Pest Research. PestPatrol was acquired by Computer Associates in August, 2004.
Stang's third career is developing http://ZipcodeZoo.com. He holds a B.S. from Cornell University, an M.S. from the University of Toronto and a Ph.D. from Syracuse University.