Professor Michael Farrell FRCP FRCPsych is the Director of NDARC. He moved to Sydney from London in March 2011 following his appointment to NDARC. Prior to joining NDARC he was Professor of Addiction Psychiatry at the Institute of Psychiatry at Kings College London. His extensive research interests include treatment evaluation, including the development of the National Treatment Outcomes Profile, a brief outcomes measurement instrument for drug and alcohol dependence. He has a long standing interest in drug dependence in prisons and within the wider criminal justice system. He has been a member of the WHO Expert Committee on Drug and Alcohol Dependence since 1995 and chaired the WHO External Evaluation of the Swiss Heroin Trial.