Zachary received his PhD from McGill University and was a postdoctoral researcher at the Ecole polytechnique federale de Lausanne in Switzerland in the Transport and Mobility Laboratory (TRANSP-OR). He was Assistant and Associate Professor starting in 2010 in the Concordia University department of Geography, Planning & Environment. In 2021 he joined the Concordia Institute for Information Systems Engineering (CIISE). Professionally he worked as transportation modeler at the Montreal regional public transportation planner, l'Agence metropolitaine de transport. Zachary's research focuses on: the use of emerging technologies in transport-related data collection, computational geospatial data processing, data analysis and inference with statistical and artificial intelligence techniques, and discrete choice experiments.