He is a retired Professor in Epidemiology at ISC/UFBA, but maintains the position of Permanent Professor of the Post-Degree Program in Public Health. Since November 2014, he is a Senior Researcher (Specialist) of FIOCRUZ-CPqGM. He leads a research group focused on epidemiological aspects of infectious diseases, malnutrition and asthma, evaluation of the population impact of interventions, and theoretical and methodological aspects of the Epidemiology. He currently coordinates a Latin American Center of Excellence, funded by Wellcome Trust UK to study the impact of urbanization, migration and lifestyle changes and exposure to asthma infections in Latin America, with research projects in Brazil and Ecuador, and an INCT in Science, Innovation and Technologies in Health (CITECS).