Masoud Khalkhali is Iranian-Canadian mathematician with professorship at the University of Western Ontario in London, Ontario. His main focus is on noncommutative geometry and homological algebra, especially the cyclic homology. He is one of the contrubutors to the group blog http://noncommutativegeometry.blogspot.com.
A short survey of cyclic cohomology, arxiv/1008.1212
book: Basic Noncommutative Geometry, Europ. Math. Soc. 2009, 239 p. ad