Core Faculty at King's College London

The International Program in Addiction Studies is made up of members from the Virginia Commonwealth University as well as King's College London and Adelaide University, Australia.

Anna Williams, KCL Programme Leader and Course Coordinator

Dr Anna Williams is a researcher and lecturer in addiction sciences at King’s College London. She is the Programme leader of the International Master of Science in Addiction Studies (IPAS) and an expert in distance learning. Dr Williams graduated as a psychologist in Brazil, where she also completed her MSc in Psychiatry under the supervision of Prof. Pechansky. Her research in Brazil focused on the development of psychosocial interventions and assessing HIV risk exposure among crack-cocaine users living in shantytowns. She has a PhD in Addiction Science which she completed at the Institute of Psychiatry, Psychology & Neuroscience under the supervision of Prof. Strang and Prof. Marsden. Her PhD project focused on delivering a harm reduction intervention to reduce mortality among heroin users. The intervention, tested through a multisite RCT, was the distribution of naloxone for service users and their family members. This intervention has been endorsed by the WHO and her PhD work has been published in high impact scientific journals. She has also offered support to the establishment of a number of take-home naloxone programmes in the United Kingdom. Dr Williams is also an expert in developing valid and reliable measures, having developed two scales during her PhD (Opioid Overdose Knowledge and Attitudes Scales). More recently Dr. Williams has acted as an external consulted for the World Health Organisation (on overdose management and on the updated of the mhGAP) and also for the United Nations Office for Drug and Crime (looking at the link between HIV and stimulant drugs). Dr Williams maintains international collaborations with universities in Brazil and the United States. She is also a reviewer for several main journals in the Addictions field.   She is currently involved in research in the area of drug-related deaths, teaching and training activities via distance learning.


John Strang, KCL Program Co-Director

Professor Strang is one of the UK’s leading experts in addiction. He is the Head of the Addictions Department at King’s College London and Leader of the Addictions Clinical Academic Group of the Kings Health Partners AHSC (Academic Health Science Centre). Professor Strang has been a Consultant Psychiatrist in addictions treatment for over 30 years, mainly at the South London & Maudsley NHS Trust. He has had extensive experience as a Lead Clinician and Clinical Director, in charge of a wide range of treatments in community and residential settings.

Professor Strang’s area of particular clinical expertise is heroin and cocaine addiction. His current research interests include: setting up supervised injecting clinics for managing entrenched heroin addicts who cannot otherwise be engaged in treatment; the investigation of new approaches to preventing drug-overdose deaths, involving drug users and family members; developing a UK evidence base for contingency management in addiction treatment; and incentive-based interventions to improve treatments to reduce drug use and associated harms.

Prof Strang has over 400 papers published. He is one of only six Addiction Research scientists outside North America who is listed in For a full publications listing, please refer to:

Headshot of Dr. Leonie Brose

Leonie Brose, KCL Programme Director