Philippe Lemey holds a PhD degree in Medical Sciences from KU Leuven, Belgium (2005), and was a Marie-Curie postdoctoral fellow in the Evolutionary Biology group at the Department of Zoology, University of Oxford, from 2005 to 2007. Philippe is now a full professor at the Rega Institute, KU Leuven, where he studies the evolutionary processes that shape viral genetic diversity, spanning large-scale epidemic processes as well as small-scale transmission histories and within-host evolutionary processes. He is the senior editor of the second edition of the Phylogenetic Handbook and a two-time ERC grant awardee. His team contributes to the BEAST software (http://beast.community) for phylogenetic and phylodynamic reconstruction, with applications to many viruses, most notably HIV, influenza, Ebola, Lassa virus, and SARS-CoV-2.