- Dr. Shaoze Jin, 2020
- Dr. Thi Hoa Pahlisch, 2019
- Dr. Huong Dien Pham, 2018
- Dr. Bezawit Beyene Chichaibelu, 2017
- Dr. Shi Min, 2016
- Dr. Ernah, 2015
- Dr. Sabine Liebenehm, 2015
- Dr. Lena Hohfeld, 2015
- Dr. Mulubrhan Amare Reda, 2015
- Dr. Priyanka Parvathi, 2014
- Dr. Eko R. Cahyadi, 2013
- Dr. Theda Gödecke, 2012
- Dr. Tung Phung Duc, 2012
- Dr. Songporne Tongruksawattana, 2011
- Dr. Ibrahim Macharia, 2010
- Dr. Wu Lifeng, 2010
- Dr. Marc Völker, 2010
- Dr. Piyatat Pananurak, 2010
- Dr. Levison Chiwaula, 2009
- Dr. Rudolf Witt, 2009
- Dr. Solomon Asfaw, 2008
- Dr. Bernd Hardeweg, 2008
- Dr. Thanaporn Krasuaythong, 2008
- Dr. Hildegard Garming, 2008
- Dr. Hippolyte Affognon, 2007
- Dr. Walter Dirksmeyer, 2006
- Dr. Diemuth Pemsl, 2005
- Dr. Dagmar Mithöfer, 2004
- Dr. Abdul-Rahman Saeed Samir, 2002
- Dr. Katrin Zander, 2001
- Dr. Berhanu Adenew, 2000
- Dr. Bezabih Emana, 2000
- Dr. Oluyede Ajayi, 2000
- Dr. Frauke Jungbluth, 1999
- Dr. Stefan Agne, 1999
- Dr. Gerd Fleischer, 1998
- Dr. Dagmar Kunze, 1998
- Dr. Gesa Hortstkotte-Wesseler, 1998
- Dr. Sirman Purba, 1997
- Dr. Justus Wesseler, 1996
- Dr. Cord Stoyke, 1994