Professional Member of the International Academic Forum (IAFOR), Japan (since 2022).
Member of the Humboldt Association of Canada (the Canadian chapter of Germany's Alexander von Humboldt Foundation), Edmonton, Canada (since 2001) / Treasurer till 2017.
Member of the Society for Global Business and Economic Development (since 2007)
Member of International Society for Standardization Studies, Japan (since 2010)
Member of The Japan Society for Production Management (JSPM), Japan (since 2011)
Member of the Institute for Operations Research and the Management Sciences (INFORMS), formerly Operations Research Society of America (ORSA), USA (1991-2000)
Life Member of the National Academy of Sciences, India (NASI), Allahabad, India (since 1997)
Life Member of the Monbusho Students Association of India (MOSAI), New Delhi, India (since 1997)
Member of the Administrative Sciences Association of Canada (ASAC), Montreal, Canada (2000-2001)