Mitsuo Matsushita is a special advisor at Nagashima Ohno & Tsunematsu. He was a member of various councils attached to ministries of the government including the Industrial Structure Council (METI), Customs and Tariffs Council (MOF) and the Telecommunications and Post Council (MOGA). Currently he is a Chairperson of the Japanese Institute of International Business Law Institute, Inc., a member of the board of directors at the International, Inc., the Japan Tariffs Association, Inc. and the Center for International Economic Collaboration (CFIEC).