Senior Associate Professor at Graduate School of Health and Sports Science in Juntendo University, Japan
Executive board member of Japan Society of Human Growth and Development
Executive board member of Japanese Society of Test and Measurement in Health and Physical Education and Japan Society of Physical Education, Health and Sport Sciences
Committee member of Physical Fitness Survey in Ministry of Education in Japan
Editors of Research Quarterly for Exercise and Sport, Japan Journal of Test and Measurement in Health and Physical Education, Japan Journal of Physical Education, Health and Sport Sciences, and Football Science