1979-1984: Physicist: PET program, Atomic Energy of Canada Ltd.
Data acquisition, image reconstruction, physiological kinetics.

1984-1990: Assistant Professor, Dept. of Neurology/Neurosurgery, McGill U.

1988-1990: Assistant Professor, Medical Physics Unit, McGill U.

1988-1994: Co-director, NeuroImaging Laboratory, McConnell
Brain Imaging Centre, Montreal Neurological Institute (MNI)

1989-1994: Head, Tomograph Facility, Positron Imaging Laboratories,
McConnell Brain Imaging Centre, MNI

1990-1995: Associate Prof., Dept. of Neurology/Neurosurgery, Dept. of
Biomedical Engineering, Medical Physics Unit, McGill U.

1993-1994: Acting Coordinator, McConnell Brain Imaging Centre, MNI

1994-1999: Coordinator, Positron Imaging Laboratories, MNI
Coordinator, McConnell Brain Imaging Centre, MNI

1995-present: Professor, Dept. of Neurology/Neurosurgery, Dept. of
Biomedical Engineering, Medical Physics Unit, McGill U.
Associate Member., Dept. of Electrical Engineering, McGill U.

2000-present: Director, Montreal Consortium for Brain Imaging Research

2000-present Founder, Biospective Inc (http://www.biospective.com)

2014-present Co-Director, Ludmer Centre for Neuroinformatics and Mental Health