Karel Vinck

Managing Director

Karel Vinck started his career at GV/Company in 1992. After 3 years at Y&R and 5 years at BBDO Karel became Managing Partner at Duval Guillaume. 
For nine years Karel has lifted the agency to a position that is both locally and internationally recognized.
Karel has won many EFFIE awards with Duval Guillaume, for clients such as: KBC, Lays, Weight Watchers and AXA, which proves that creativity and effectiveness go hand in hand. Karel has a clear focus on clients within the Belgium market.

Twitter: @karelvinck


koenraad lefever 

Creative Director

Koenraad Lefever graduated from Applied Arts in Brussels. Passionate about good advertising he started working in the ad business 16 years ago. After network agencies Y&R and McCann and independent agencies LDV and Mortierbrigade, he joined the creative forces of Duval Guillaume to put the agency back on the map. Koenraad worked for clients such as Carlsberg, Durex, Coca-Cola, Nike, Ray-Ban, Opel, Ford, De Standaard, Humo, Opvoedingslijn and USG People. His work was awarded for many years on major creative festivals such as CCB, Eurobest, Cannes Lions, NYF, Effie, Oneshow and D&AD. He did not win any significant prizes yet in golf, ice hockey or snowboarding.



Dries de wilde

Associate Creative Director

Dries joined Duval Guillaume as copywriter in 2007. He won numerous national and international awards (14 Cannes Lions, New York Festivals Grand Prix, Eurobest). He worked for clients like Carlsberg, TNT, AXA and De Opvoedingslijn. Dries helped Duval Guillaume to become Agency of the Year at the CCB, 3 times in a row. In 2015, Dries became Associate Creative Director. In his spare time he loves to hang out with his 2 little daughters. When they are asleep, he fleds the house to have a beer. Or two.