April 2000－March 2003, Bunri-ka, Nirasaki High School
April 2003－March 2007, College of Science and Technology, Nihon University
April 2007－March 2009, Master's course, Graduate School of Science and Technology, Nihon University
April 2009－September 2012, Doctoral course, Graduate School of Science and Technology, Nihon University
May 2011－September 2012, Research Assistant, College of Science and Technology, Nihon University
April 2012－March 2013, Part-time Teacher, Nihon University Narashino High School
October 2012－March 2014, Postdoctoral Fellow, College of Science and Technology, Nihon University
April 2013－March 2015, Part-time Teacher, College of Science and Technology, Nihon University
April 2013－September 2014, Part-time Teacher, General Education, Chiba University
October 2013－March 2015, Part-time Teacher, Faculty of Science, Ochanomizu University
October 2013－March 2015, Project Researcher, Graduate School of Mathematical Sciences, The University of Tokyo
April 2014－March 2015, Researcher, Nihon University College of Science and Technology, Research Institute of Science & Technology
April 2015－March 2021, Assistant Professor, College of Science and Technology, Nihon University
April 2021－, Associate Professor, College of Science and Technology, Nihon University