After serving as Washington, D.C. correspondent (1963–1965), city editor (1965–1967), and managing editor (1967–1968) of the Sun-Times, he was promoted to editor-in-chief in 1968. From 1976 to 1976, he concurrently served as editor in chief of the Sun-Times'''s sister publication, the Chicago Daily News. In 1980, he attended the six-week Harvard Business School Advanced Management Program, and relinquished his editorial duties, continuing as the newspaper's publisher.
After serving as Washington, D.C. correspondent (1963–1965), city editor (1965–1967), and managing editor (1967–1968) of the Sun-Times, he was promoted to editor-in-chief in 1968. From 1976 to 1976, he concurrently served as editor in chief of the Sun-Times'''s sister publication, the Chicago Daily News. In 1980, he attended the six-week Harvard Business School Advanced Management Program, and relinquished his editorial duties, continuing as the newspaper's publisher.