1. Health and Criminal Justice Programs at RAND and a Principal Investigator at the UCLA Drug Abuse Research Center
2. Research in RAND's Criminal Justice Program
3. Behavioral Scientist in the Health Program at RAND
4. Behavioral Scientist in RAND's Drug Policy Research Center
5. Program on Law and Behavior at the Urban Institute
6. Behavioral Sciences Department at Andrews University
7. Department of Criminal Justice at California State University, Long Beach and a consultant to RAND
8. Health and Criminal Justice Programs and co-director of the Drug Policy Research Center at RAND