DUFF! is rated 3 out of 5 in the category events services. Read and write reviews about DUFF!. DUFF! a.k.a. Marian Duff has a rich background as a curator. But also in journalism, marketing and public relations, with a specialty in young (sub)cultures. Owner of DUFF! and MAFB, but also as curator culture and society for museum Ons’ Lieve Heer op Solder. Born in tropical Suriname (Albina), with roots in French Guiana (Saint-Laurent du Maroni), grew up in Haarlem and now residing in Amsterdam. She moves effortlessly between the different fashion and art cultures. She feels at home everywhere and know my way around and ideally suited for reaching specific audiences, and making connections between the various target groups.