1. UCLA Drug Abuse Research Center, and project director for two state funded evaluation studies of prison-based substance abuse treatment programs
2. UCLA Integrated Substance Abuse Programs and Principal Investigator of a NIDA grant (Motivational Properties of Drugs/ RO3 DA12592–01)
3. UCLA Drug Abuse Research Center, and Principal Investigator of several federal and state funded projects examining the effectiveness of treatment programs for substance-abusing offenders
4. UCLA Integrated Substance Abuse Programs. He also serves as Deputy Director of the UCLA Alcoholism and Addiction Medicine Service