Business: ABN AMRO, Abbott, Alcatel, Allanta, Arcadis, Atlas Copco, Before the Hype, Belgacom, Centre for Building Underground (COB), Centre for Development of Creative Thinking (COCD), Colruyt, Conlibrio, Cooks, Clockwork, Creamoda, DBM, DHL, Distillery, e-Cademy, Elementair, Eventive, Eviedent, Feliz, Humorfestival, Inspinazie, Intermediair, Imec, Leaderschip summer school, Ormit, Nedtrain, Networking coach, Next coaches, Noloc, N'Lil communications, Tele-Atlas, Trimedia, Panasonic, PGGM, Pikon, Rabobank, Read.me, Spinn, Symantec, Tele Atlas, Wisper, ...



References Cyriel Kortleven

Government and education: Centrum voor Andragogiek, Cevora, City Antwerp, City Bilzen, EHSAL, Flanders District of Creativity, Hogeschool den Haag, Inaxis, Koning Boudewijn Stichting, Ministry of Domestic Affairs, Ministry of Tax Services, Police Rotterdam, OCMW Halle, Saxion Hogeschool, Strategisch Plan Kempen, University Hasselt, VDAB, Vlaamse overheid, Vlerick Management School, VKW, VOKA, VNG, VVSG, ...
International: CREA Conference (Italy), Creative Exchange Network (Australia), International Organization Development Association (Canada), Greenwich University (London), Orafti (Italy), SWAP network (Australia), ...