2023 Volker Schmidt-Sonderman
German
2017 Ulrike Hamacher
2017 Tim Garde
2017 Tim Garde
2019 Hagen Bogdanski
2019 Hagen Bogdanski
2018 Bettina Schoeller Bouju
2018 Edzard Onneken
German
2016 John Delbridge
German
2016 Martin Enlen
2016 Michael Wenning
2016 Daniel Helfer
2014 Martin Enlen
German
2013 Marc-Andreas Bochert
German