A CIRANO Researcher and Fellow since 2003, Nathalie de Marcellis-Warin is Full Professor in the Department of Mathematics and Industrial Engineering at Polytechnique Montréal. She has been President and Chief Executive Officer of CIRANO since 2016. She is also a Visiting Scientist at Harvard T. Chan School of Public Health and an associate researcher at the Institute for Data Valorization (IVADO).

Holder of a Ph.D. in Management Science (in risks and insurance management) from École Normale Supérieure de Cachan (France), her research interests focus on risk management and decision-making in different risks and uncertainty contexts as well as public policies. Her research combines economic analysis, cost-benefit analysis, survey data analysis, and more recently massive unstructured data analysis.

In 2008 she created the RISQH network to raise awareness and share experiences on risks management, and patient safety and quality of care in health care facilities.

Nathalie participated in the creation of the Montreal Declaration for the Responsible Development of AI.

She is also co-PI of the « monitoring and investigations » function at the International observatory on socioeconomic impacts of digital transformation and artificial intelligence.

Since 2011, she has been leading the CIRANO Barometer project on risk perception in Quebec, which annually collects data on Quebecers' concerns on 47 social issues.

She has published numerous scientific articles, several books and more than 30 reports for government and other organizations. She has given more than a hundred conferences and is regularly solicited to speak in the media.