The Department of Decision Sciences at HEC Montréal (www.hec.ca/mqg, in French) offers a stimulating environment with 30 professors and 6 full-time lecturers. Department faculty carry out research in Data Science (including machine learning and statistics), Financial Engineering, and Operations Research. They are members of internationally recognized research centers such as Mila (Quebec Artificial Intelligence Institute, https://mila.quebec/en), CIRRELT (Interuniversity Research Centre on Enterprise Networks, Logistics and Transportation, https://www.cirrelt.ca/default.aspx), CRM (Centre de Recherches Mathématiques, http://www.crm.umontreal.ca/en), and GERAD (Group for Research in Decision Analysis, http://www.gerad.ca/). They also contribute to the mission of IVADO (Institute for Data-driven Value Creation, http://www.ivado.ca/en) and benefit from its various funding and transfer opportunities. HEC Montréal is a world-class business school. The School offers undergraduate programs as well as graduate degrees: an MBA, an EMBA, an MSc and a PhD. Courses are mainly taught in French but also in English and Spanish. The MSc program offers several specializations including: Data Scie...nce and Business Analytics, Business Intelligence, and Financial Engineering. The PhD program is offered jointly with McGill University, Concordia University and UQAM, and includes specializations in Data Science, Financial Engineering, and Management Science.