RTI International
Substance Abuse Treatment Interventions and Evaluations
3040 Cornwallis Road
PO Box 12194
Research Triangle Park
NCUSA
27709-2194
Biographical Sketch: William Zule has been involved in community-based HIV prevention studies since 1989. He has extensive experience conducting ethnographic, epidemiological and intervention studies related to HIV and hepatitis C among injecting drug users, non-injecting users and men who have sex with men.