Positions and Professional Activities

• 1991-: Research Associate, Waseda University, Tokyo        
• 1992-:  Post Doctoral Fellow, The Institute of Physical and Chemical Research, Saitama, Japan.
• 1995-: Lecturer, Department of Earth Sciences, Waseda University, Tokyo        
• 1998-: Associate Professor, Department of Earth Sciences, Waseda University, Tokyo
• 2004-: Professor, Department of Earth Sciences, Waseda University, Tokyo
• 2015-: Professor, Institute of Energy Science and Engineering, Vidyasirimedhi Institute of Science and Technology, Rayong, Thailand

Cross appointments

• 1995-2000: Researcher, PRESTO, Japan Science and Technology Agency (JST)
• 2005 Visiting Professor, University Montpellier II, Montpellier, France     
• 2010 Guest Professor, Okayama University of Sciences
• 2011 Guest Professor, Hiroshima University
• 2013 Guest Professor, ERASMUS
• 2009 Visiting Professor, University Montpellier II, Montpellier, France
• 2010 Visiting Scientist, ISIC, Madrid, Spain
•  2012 Visiting Professor, University of Ottawa, Canada
• 2015~2016: Educational Advisor, Japan Advanced Institute of Science and Technology (JAIST), Ishikawa, Japan
• 2015~2018: Research Advisor, National Institute of Materials Science (NIMS), Ibaraki, Japan
• 2018~: Visiting Professor, Japan Advanced Institute of Science and Technology
• 2018~: Specially Appointed Professor, Shinshu University

 Teaching Courses

• Undergraduate (at Waseda University)
  General Chemistry (basics), Environmental chemistry, Chemistry experiment, Instrumental analyses (experiment), Analytical chemistry (experiment), Summer course for visiting mine and factory, Minerals and matters, Chemistry and physics of minerals (solid-state chemistry)
• Graduate (at Waseda University and Vidyasirimedhi Institute)
  Physics and chemistry of minerals, Clay sciences, Hybrid materials, Inorganic materials chemistry, Solid-state chemistry, Advanced materials 
• Graduate short course
  Inorganic materials chemistry (Hiroshima Univ., Okayama Sci. Univ.), Hybrid Materials (ERASMUS),

Organization and Management Tasks

Member of the International Advisory Board of International Conference on Silica (Silica 2001), Mulhouse, 2001

Member of organizing committee of International Symposium on Photocatalysts and Surface Photochemistry, Tokyo, 2003

Member of organizing committee of 13th International Clay Conference (ICC13), Tokyo 2005

Member of Symposium Organizer of E-MRS, Strasburg, France 2005

Chair of organizing committee of International Symposium on Physics and Chemistry of Smectites, Tokyo 2005

Co-Chair of organizing committee of International Symposium on Hierarchically Designed Hybrid Systems, Tokyo 2008

Co-Chair of organizing committee of International Seminar on New designs and new functionalities for ceramic and hybrid nanostructured materials and thin films, Montpellier, 2009

Member of organizing committee of International Symposium on Zeolites and Microporous Crystal (ZMPC2009), Tokyo, 2009

Member of organizing committee of International Symposium on Zeolites and Microporous Crystal (ZMPC2012), Hiroshima, 2012

Member of organizing committee of International Symposium on Mesoporous and Mesostructured Materials, Hyogo, 2013

Chair of organizing committee of International Symposium on Materials Chemistry of Intercalation Compounds, Tokyo 2013

Member of organizing committee of International Symposium on Zeolites and Microporous Crystal (ZMPC2015), Sapporo, 2015

Chair of organizing committee of VISTEC Symposium on Hybrids and Biohybrids, Rayong, Thailand, 2016

Chair of organizing committee of NanoM217, Rayong, Thailand, 2017

Co-chair of organizing committee of The 3rd Symposium of the Center for Nature-derived Materials (Excellent Core) & The 4th International Symposium for Green-Innovation Polymers (GRIP2017), Ishikawa, Japan, 2017.

Chair of organizing committee of The 4th Asian Clay Conference 2020, Thailand 2020

Chair of organizing committee of International Conference of Nanospace Materials Rayong, Thailand, 2021

Manager of the Department of Earth Sciences, Waseda University (2006-2008, 2013-2014)