 Wisner worked well with Zambian president Kenneth Kaunda and helped to rebuild bilateral relations between Zambia and the USA after a 1980 spy scandal at the U.S. embassy in Lusaka.Crocker's efforts contributed to the organization and successful discussions at the February 1984 Lusaka Conference regarding conflicts in Angola and Namibia.After retiring from government service in 1997, Wisner joined the board at a subsidiary of Enron, the former energy company and served on the board of American International Group (AIG).