"From 1989 to 1994, he served as the Deputy District Attorney for Los Angeles County, and, from 1994 to 1996, as Assistant U.S. Attorney for the Central District of California in Los Angeles. Ambassador Prosper served as a war crimes prosecutor for the United Nations International Criminal Tribunal for Rwanda from 1996 to 1998.
"Ambassador Prosper was a career prosecutor at the U.S. Department of Justice in 1999, where he was Special Assistant to the Assistant Attorney General for the Criminal Division. From 1999 to 2001, he was detailed to the State Department where he served as the Special Counsel and Policy Adviser to the previous Ambassador-at-Large for War Crimes Issues." 
- Advisory Board, Save Darfur Coalition
Resources and articles
- Save Darfur Coalition Board, organizational web page, accessed April 22, 2012.