Marleen Boelaert is a public health epidemiologist who graduated as MD from the Catholic University of Louvain in 1985. She gained experience in international health working with Médecins Sans Frontières between 1986 and 1994. In 1994, she joined the Epidemiology unit at ITM. Her research concentrates on control of tropical infectious diseases, mainly leishmaniasis, dengue and sleeping sickness. In 1999 she defended a Ph.D. thesis on the use of latent class analysis in the evaluation of diagnostics for visceral leishmaniasis. She is head of the Unit of Epidemiology and Control of Tropical Diseases and coordinator of the EU-sponsored research Consortium NIDIAG (www.nidiag.org). Marleen Boelaert is also promotor of two programs for capacity strengthening through institutional partnership (INRB, DR Congo and BPKIHS, Nepal). She is teaching epidemiology and statistics in the Master of Public Health at ITM and she is Director of the Short Course on Control of Tropical Diseases (ITM) and Co-Director of the Course "Evaluation des tests diagnostiques" at Institut Pasteur, Paris, France.