Lépine is professor at the Instituto de Astronomia, Geofísica e Ciências Atmosféricas, University of São Paulo. He obtained his PhD in 1977 at Université de Paris VII, and became full professor at the University of São Paulo in 1999. He made important contributions to Astronomy, like the discovery of the first water vapor extragalactic megamaser, and the study of a Cassini-like ring in the Galactic disk with a minimum of stellar density and also of gas density, at the corotation radius. Lepine was the Director of his Institute from 2001 to 2005, and President of the Brazilian Astronomical Society for 2 years in the past. He is now the coordinator on Brazilian side of the joint Brazilian-Argentinean LLAMA project, which is installing a 12 m radiotelescope for sub-mm waves in the Andes, at 4800 m altitude.

DosReis is Professor of Immunology at the Federal University of Rio de Janeiro, Brazil. He obtained his PhD at the Federal University of Rio de Janeiro and pursued postdoctoral training at the National Institutes of Health, Bethesda, USA. His scientific interest is the immunology of infectious and inflammatory diseases. He was member of the Steering Committee on Chagas disease (WHO, Geneva), International Fellow of the Guggenheim Foundation, Howard Hughes International Research Scholar, and president of the Brazilian Society of Immunology. He is Commander of the Brazilian National Order of Scientific Merit. He is a full member of the Brazilian Academy of Sciences.

Cazzulo is professor of protein biochemistry at the Instituto de Investigaciones Biotecnologicas, Universidad Nacional de General San Martin, and Investigador Superior, National Research Council, Argentina, since 1997. His previous positions include: Head of the Laboratory of Biochemistry of Parasites at the Fundacion Instituto Leloir, Buenos Aires (1986 – 1997), Head of the Research Department, Instituto Nacional de Parasitologia Dr. Mario Fatala Chaben, Argentinian Health Ministry, Buenos Aires (1980 – 1985), and Professor of Biochemistry, Facultad de Ciencias Bioquímicas y Farmaceuticas, Universidad Nacional de Rosario (1970 – 1980). He has directed or co-directed 28 Ph.D. Thesis. His work has focused on the metabolism of Trypanosoma cruzi, the causing agent of Chagas' Disease. His honours include: Doctor Honoris Causa (Medicine), University of Uppsala, Sweden; Medal of the Rector, Universidad de Chile, Santiago; and Dr. A.O.M. Stoppani Prize in Biochemical Parasitology, Argentinian National Academy of Exact, Physical and Natural Sciences. He is a member of the Latin American Academy of Sciences, since 1987, and the Argentinian National Academy of Sciences, since 2017.