In 1998 he was elected fellow of the American Association for the Advancement of Science (AAAS) and in 2012 he became a fellow of the American Mathematical Society where he is an Honorary Life Member.
In both 1998 and 2012, he was recognized as a distinguished member of either the American Association for the Advancement of Science (AAAS) or the American Mathematical Society, with his status in the latter being an honorary life membership.