Epidemiologist, graduated from the London School of Hygiene and Tropical Medicine (LSHTM). In 2004 he joined the European Union Drugs Agency at the Public Health Unit as a scientific analyst, responsible for the epidemiological indicator "Prevalence and patterns of drug use", addressing topics such as drug use in nightlife settings, wastewater analysis, drug checking.

He also worked at the United Nations Office on Drugs and Crime (UNODC) in Vienna as a drug market analyst.

João will speak about recent drug trends in Europe.