■Education
March 1969: Graduated from the Department of Law, Faculty of Law, Keio University
July 1972: Graduated from New College, University of Oxford

■Career
December 1979: President, Aso Cement Co., Ltd.
December 1979: Chair, Aso Juku Educational Foundation
April 1984: Vice Chair, Japan Cement Association (current)
December 1996: Chair, Iizuka Chamber of Commerce and Industry (current)
September 2004: Vice Chair, Japan-Korea Economic Association (current)
April 2007: Chair, Fukuoka Futaba Gakuen Educational Foundation (current)
June 2010: Chairman, Aso Corporation (current)
June 2013: Chairman, Kyushu Economic Federation
April 2014: Principal and Director, Aso Juku Educational Foundation (current)
April 2014: Chair, Fukuoka Directors Network (Fukuoka D.C.) (current)
January 2016: Chairman, Aso Cement Co., Ltd. (current)
June 2021: Honorary Chairman, Kyushu Economic Federation (current)
October 2023: Chair, Keio Rengo Mita-kai (current)

■Books
"Bright Hospital Reform: New Management That Leaves No One in Tears" (Nikkei Publishing, 2007)
"Bright Reform of the Medical Workplace: Building a Mutually Supportive Workplace" (Nikkei Publishing, 2009)
"Kaizen-Style Hospital Management: The Challenge of Zero Waiting Time" (Nikkei Publishing, 2015)
"Cell Nursing Saves the Medical Workplace" (Nikkei Publishing, 2018)