Dierolf, Kirsten,Hogan, Debbie (Academy of Solution Focused Training, Singapore),Hoorn, Svea van der,Wignaraja, Sukanya
(2)
Kirsten (Solutions Academy Dierolf Germany),Cristina Muhl,Carlo Perfetto,Rafal Szaniawski
(2)
John M. Zavada (EDT)/ Ian Ferguson (EDT)/ Volkmar Dierolf (EDT)
(1)
Kevin O'Donnell (EDT)/ Volkmar Dierolf (EDT)
(1)
Kirsten Dierolf/ Daniel Meier/ Peter Szabo
(1)
Volkmar Dierolf (EDT)/ Yasufumi Fujiwara (EDT)/ Tom Gregorkiewicz (EDT)/ Wojciech M. Jadwisienczak (EDT)
(1)