Frédéric Thomas, Jean-François Guégan and François Renaud are all Senior Research Fellows in two French research institutions (CNRS and IRD), and they are interested by the ecology and the evolution of host-parasite interactions. Their areas of research are various, involving population genetics, population dynamics, behavioural ecology, modelling and ecology of health. They regularly published in international journals (Nature, Current Biology, Evolution, Journal of Evolutionary Biology, PLoS, Proceedings B, Trends in Parasitology).