Klaus Palme (Germany)

Zhiyong Wang (USA)

Salim Albabili (Saudi Arabia)

Chuanyou Li (China)

Dominique Van der Straeten (Belgium)

Kenichi Tsuda (China)

Carolin Delker (Germany) 

Jerry Cohen (USA)

Minsung Kim (United Kingdom) 

Alicja Banasiak (Poland)