Dr. Guillouzic is an operational research analyst with Defence Research and Development Canada (DRDC). He joined DRDC in 2002 after obtaining a Ph.D. in physics and working as a postdoctoral fellow in biophysics. Since joining the organization, he has applied his knowledge in the modelling and simulation of stochastic systems to a variety of application areas, such as maritime surveillance, fleet mix and schedule risk analysis. Throughout his career, he has had the opportunity to support various parts of the Department of National Defence and the Canadian Armed Forces, including several years as a team leader. He has dedicated the past year to DRDC’s COVID-19 analysis work, notably by contributing to the development of a decision support tool to inform the quarantining and testing required to mitigate the likelihood of having undetected infections in groups.