Emma Frejinger is associate professor at the Department of Computer Science and Operations Research at the University of Montreal, member of CIRRELT and holder of the CN Chair in Optimization of Railway Operations. She holds a Ph.D. in mathematics awarded by the Ecole Polytechnique Fédérale de Lausanne, Switzerland. Her areas of expertise include both transportation demand prediction and optimization of transportation networks. More precisely, her current major projects are related to the opimization of railway operations and combine operations research and data science methodologies. Her students and herself have won several international awards, including twice the prestigious TSL Dissertation Prize bestowed by the INFORMS Transport Science and Logistics Society. She has realized numerous projets in collaboration with public and private actors. In 2017, the Association québecoise des transports (AQTr) awarded the excellence prize in the freight transportation category to a collaborative project between CardoM and CIRRELT, for which she was lead of research.