National Discount BrokersHampel StefanidesUnited States2001
CastrolHampel StefanidesUnited States2001
CdnowHampel StefanidesUnited States1999
CastrolHampel StefanidesUnited States1999
Mediterranean Entertaining & DiningHampel StefanidesUnited States1999
Fifth Avenue Stamp GalleryHampel StefanidesUnited States1999
New York Restaurant GroupHampel StefanidesUnited States1997