- Consultant to the U.S. government
- Formerly ambassador to Burundi (1969-1972)
- Formerly ambassador to Uganda (1972-1974)
- Formerly ambassador to the Vatican (1989-1993)
- President, Sacred Heart University
- Chairman, Department of African and Asian Affairs, Seton Hall University
- Assistant Secretary for Post-Secondary Education
Dr. Melady is the author of numerous books, including Faces of Africa and Development: Lessons for the Future.