Ronald Robert Yager (born New York City) is an American researcher in computational intelligence, decision making under uncertainty and fuzzy logic. He is currently Director of the Machine Intelligence Institute and Professor of Information Systems at Iona College. Ronald Yager has been an active IEEE Fellow since 1997 for his contributions to the development of the theory of fuzzy logic. He is the Editor and Chief of the International Journal of Intelligent Systems. He has also been invited to serve on the Editorial Boards and Executive Advisory Boards in a number of international journals, which include the following: IEEE Intelligent Systems, IEEE Transactions on Fuzzy Systems, and Fuzzy Sets and Systems.