Behrooz Parhami is Professor of Computer Engineering at the University of California, Santa Barbara. He has written several textbooks, including Computer Arithmetic (OUP, 2000), and more than 200 research papers. He is a fellow of both the Institute of Electrical and Electronics Engineers (IEEE) and
the British Computer Society (BCS). He is a member of the Association for Computing Machinery (ACM), and a distinguished member of the Informatics Society of Iran, for which he served as a founding member and the first president.