Dr. Jean-Francois Naud is Deputy Director and Research Associate at the Doping Control Laboratory of the National Institute of Scientific Research (INRS) in Québec, Canada. In our interview, he discusses his work at the WADA-accredited Doping Control Laboratory, his path to becoming an anti-doping scientist, his research to improve our ability to detect blood doping, his role in anti-doping testing during the 2010 Olympic Games in Vancouver, and current challenges in anti-doping research.