"David B. Opton: CEO and Founder of ExecuNet" Dr. Arlene's guest is entrepreneur David Opton, who founded ExecuNet in 1988, the leading Internet-based business and career network for senior level executives and professionals with salaries above $150,000. After holding high level human resources executive positions at Sterling Drug International and Xerox Corporation, Mr. Opton left the employee nest to become a highly successful entrepreneur.