Bhashyam Balaji received his B.Sc. (Hons) degree in physics from St. Stephen’s College, University of Delhi, India and Ph.D. in theoretical particle physics from Boston University, Boston, MA, in 1997. Since 1998, he has been a scientist at the Defence Research and Development Canada, Ottawa, Canada. His radar research interests include radar signal processing, nonlinear filtering, multi-target tracking, and multi-sensor data fusion. His recent research also includes the application of Feynman path integral and quantum field theory methods to the problems of nonlinear filtering and stochastic control.