[1] Topics in his research include stable marriage, quantum circuits, the Boolean satisfiability problem, and algorithms on graphs.
Iwama earned bachelor's, master's, and doctoral degrees from Kyoto University in 1973, 1975, and 1980 respectively.
[1] Iwama became the founding president of the Asian Association for Algorithms and Computation in 2007.
[2] Since 2013 he has been editor-in-chief of the Bulletin of the European Association for Theoretical Computer Science.
[1][3] Iwama received an honorary doctorate from the University of Latvia in 2008,[1] and was elected to the Academia Europaea in 2012.