Thomas W. Sneddon, Jr., interim executive director
NDAA says it is the world's oldest and largest professional association of prosecutors. Its members come from offices of district attorneys, state’s attorneys, attorneys general and county and city prosecutors. It maintains a training and education division in Columbia, S.C. The NDAA's research arm, the American Prosecutors Research Institute (APRI), includes background materials on many topics of interest to prosecutors on its Web site, which is part of the parent organization's main site.