 Fitzhugh was also a founding member and past president of the National Association of Market Developers, aimed at black consumers, and acted as a consultant for major corporations and, from 1975 to 1981, for the United States Census Bureau.He helped to establish the Black Alumni Association at Harvard Business School and become its first chairman in 1978.Fitzhugh died on July 26, 1992 at the age of 82 in at New York University Medical Center.