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

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

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

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

University of Aberdeen - Natural language front ends; formal properties of linguistic formalisms; semantic interpretation of English sentences, particularly temporal semantics; modelling of verbal humour.

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

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

University of Groningen - Specification languages and formal specification.

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

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