- 2013 - 2018 :立命館アジア太平洋学大学アジア太平洋学部教授
- 2013 - 2018 :Ritsumeikan Asia Pacific University, APS, Professor
- 2008 - 2013 :立命館アジア太平洋大学 アジア太平洋学部教授兼副学部長
- 2008 - 2013 :Ritsumeikan Asia Pacific University, Asia Pacific Study Department, Professor and Associate Dean (International Economics, Development Economics, Development Sociology)
- 2000 - 2008 :アジア開発銀行 (マニラ)、大型のインフラプロジェクトのタスクマネジャー(主席運輸セクタースペシャリスト)
- 2000 - 2008 :Asian Development Bank (Manila, Philippinnes), Task manager for large infrastructure projects (Principal Transport Specialist)
- 1988 - 2000 :世界銀行 (ワシントン)、運輸プロジェクトのタスクマネージャー (上級運輸セクタースペシャリスト)
- 1988 - 2000 :The World Bank (Washington DC, USA), Task manager for transport projects (Senior Transport Sepcialist)
- 1986 - 1988 :運輸省、国際政策局、海運同盟条約対策室長
- 1986 - 1988 :Ministry of Transport, Director, Office of Shipping Conference
- 1982 - 1986 :運輸省、九州海運局運航部長、九州運輸局自動車部長
- 1982 - 1986 :Ministry of Transport, Director, Office of Shipping Conference
- 1980 - 1982 :公正取引委員会事務局、経済部課長補佐
- 1980 - 1982 :Fair Trade Commission, Economic Dept. Deputy Director
- 1978 - 1980 :運輸省、航空局国際課課長補佐
- 1978 - 1980 :Ministry of Transport, Civil Aviation Bureau, Deputy Diretor
- 1976 - 1978 :人事院海外留学派遣制度による米国留学
- 1976 - 1978 :Overseas study financed by Japanese Government
- 1972 - 1976 :運輸省、大臣官房国際協力室、係長
- 1972 - 1976 :Ministry of Transport, Minister's Office, International Cooperation Office, Section Chief
- Ritsumeikan Asia Pacific University College of Asia Pacific Studies Professor,Associate Dean, College of Asia Pacific Studies, Head of Development Economics Course, Graduate School,Associate Dean, College of Asia Pacific Studies, Head of Development Economics Course, Graduate School