Senior U.S. business executives reported that in making recent promotion decisions, they had placed a great deal of weight on candidates’ interpersonal skills, less weight on oral communication skills, and even less weight on writing skills. Older business managers ranked communication skills as more important than did the younger managers. If this age-related difference is a maturation effect, younger managers may place more emphasis on communication as they mature. If the age-related difference is a cohort effect, the relative importance of communication skills for advancement may shift as Generation X executives replace boomer executives in top-level positions at U.S. corporations.