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




Managing Director

Patrick started his advertising career in 2000 when he joined VVL BBDO as an Account Executive. He quickly promoted to Account Manager and after 4 years he left the agency to explore a completely different agency culture at Duval Guillaume Antwerp. After 4 years at VVL BBDO, 5 years at Duval Guillaume Antwerp and 2 years at a smaller agency called Openhere he became Client Service Director at Dallas Antwerp. For 2 years he helped building this newborn agency to finally return to his old flame Duval Guillaume. Where at first he fulfilled the role of Head of Account Management and in the meantime has joined the management team as Managing Director to support the agency in the next phase of its growth.

Piet Wulleman

Head of Strategy

A consumer psychologist by education, Piet has over 20 years of experience in brand building, working for agencies such as Saatchi & Saatchi and BBDO, before joining Duval Guillaume in 2011. His passion is helping brand teams “give birth” to a positioning, and helping creative teams find sharp consumer insights to turn into powerful communication. 
He is Author of  “De Verlichte Merkdespoot” (“The Enlightened Brand Despot”, 2013), in which he argues that a powerful brand positioning should not be exclusively based on the whims of consumers, but mainly on the DNA and internal culture of a brand. 

Twitter: @pietwulleman

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.