2006
Dr. Ali Asghar Mowlai, Iran
2009
Dr. Leif Schröder, Germany
2012
Dr. Magdalena Stoeva, Bulgaria
2013
Dr. Ferdinand Schweser, Germany
2014
Dr. Jan-Bernd Hövener, Germany
2015
Dr. Guerda Massillon-JL, Mexico
2016
Dr. Francis Hasford, Ghana
2017
Dr. Abdul Nashirudeen Mumuni, Ghana
2018
Dr Kuo Men, China
2019
Dr Mitsuhiro Nakamura, Japan
2020
Dr Jaydev K Dave, USA
2021
Dr Chai Hong Yeong, Malaysia