Alexander Nabutovsky is a leading Canadian mathematician specializing in differential geometry, geometric calculus of variations and quantitative aspects of topology of manifolds. He is a professor at the University of Toronto Department of Mathematics.
Nabutovsky earned a Ph.D. degree from the Weizmann Institute of Science in 1993; his advisor was Shmuel Kiro. His doctoral dissertation was Geometry Of Spaces Of Objects With Complexity: Algebraic Hypersurfaces, Knots With Thick Rope And Semi-Linear Elliptic Boundary Value Problems.
He was an invited speaker on "Geometry" at International Congress of Mathematicians, 2010 in Hyderabad.