Mainland goes to the GDI
The Gottlieb Duttweiler Institute for Economics and Society (GDI)'s new communications agency is called Festland.
The new communications agency of the Gottlieb Duttweiler Institute for Business and Society (GDI) is called Festland, and the St. Gallen advertising agency will be responsible for all of the GDI's corporate and product communications in future.
