Etienne is responsible for the scientific direction of the Laboratory of Plant Functional Ecology at Université de Montréal. He supervises all graduate students, postdocs and employees in their research. He is Full Professor in the Department of Biological Sciences of the Université de Montréal, a member of the Institut de recherche en biologie végétale, and holds the Canada Research Chair in Plant Functional Biodiversity. He also heads the Canadian Airborne Biodiversity Observatory (CABO). He teaches a field course in plant ecology at UdeM's biological field station each autumn and a course about remote sensing of vegetation using drones.He is also CEO and Co-Founder of Rubisco AI.