As of March 31, 2012, Dr. Makoto Nagao, the Librarian of the National Diet Library, retired and as of April 1, 2012, Mr. Noritada Otaki was newly appointed Librarian of the National Diet Library.

Mr. Otaki joined the National Diet Library in 1968 and served as Director General of the Administrative Department (2001-2003) and Deputy Librarian(2003-2004). Professor of the Tokyo University of Agriculture from 2006 and Director of the Japan Library Association from 2000. Born in 1944.