Ashok K. Chandra


Ashok K. Chandra was a computer scientist at Microsoft Research in Mountain View, California, United States, where he was a general manager at the Internet Services Research Center. Chandra received his PhD in Computer Science from Stanford University, an MS from University of [California, Berkeley], and a BTech from IIT Kanpur.
He was previously Director of Database and Distributed Systems at IBM Almaden Research Center.
Chandra co-authored several key papers in theoretical computer science. Among other contributions, he introduced alternating Turing machines in Computational [complexity theory|computational complexity], conjunctive queries in databases, computable queries, and multiparty communication complexity.
He was a founder of the annual IEEE Symposium on Logic in [Computer Science] and served as conference chair of the first three conferences, in 1986–8.
He was an IEEE Fellow.