Webster Professor of MIT's Electrical Engineering and Computer Science, Associate Director of MIT's Laboratory for Computer Science, a founder of RSA Data Security

Indian Institute of Technology, Bombay - Real-time systems, Transaction processing in database systems, Real-time databases systems

Indian Institute of Technology, Bombay - Algorithms, Combinatorial Optimization.

Indian Institute of Technology, Bombay - Concurrency, Formal Specification and Verification, Programming Languages, Real time and Reactive Programming, Distributed Computing.

University of Cambridge - Human-computer interaction, electronic design automation, self-timed circuits.

University of Groningen - Image processing, mathematical morphology, wavelets, computer vision and scientific visualization.

University of Nebraska-Lincoln - Scientific databases, content-based image retrieval, geographic information systems, spatiotemporal data, computational biology.

University of Cambridge - Programming language design and implementation, typeless languages, optimizing compilers, efficient interpreters, just-in-time compilation.

Mount Allison University - Higher dimensional category theory, computational category theory and theory of database systems.

Indian Institute of Technology, Bombay - VLSI Design, Advanced Computer Architecture, Reconfigurable Computing, Microprocessor Design and Interfaces.