Professor, Departments of Computer Science and Medical Biophysics, University of Toronto.
Adjunct Professor, School of Computing & Dept. pathology and Molecular Medicine, Queen's University, Kingston, ON.
Affiliated member, Institute of Neuroimmunology, Slovak Academy of Sciences, Bratislava, Slovakia.

Visiting Scientist, IBM Centre for Advance Studies.

F1000Prime Member; F1000 Advisory Board Member.

Senior Associate Editor, Systems Medicine.

Associate Editor, BMC Bioinformatics.
Associate Editor, Proteomes.
Associate Editor, Cancer informatics.
Associate Editor, International Journal of Knowledge Discovery in Bioinformatics.
Associate Editor, Interdisciplinary Sciences: Computational Life Sciences.
Founding Associate Editor: J Big Data & Information Analytics.
Editorial Board: Biology Direct.