Len Stubenfoll and John Fertig learned the ropes of toy Invention at the legendary Marvin Glass & Associates in Chicago, IL. In 1989, after a short time with Breslow Morrison & Terzian (now Big Monster Toys), they teamed up with former Marvin Glass managing partner Harry Disko to form Fertig-Stubenfoll Design Group in Oak Brook, Illinois, where they are located to this day.
Working in all areas of toys and juvenile product, Fertig-Stubenfoll Design Group L.L.C. has licensed products to toy companies around the globe.
Since 1989 Fertig-Stubenfoll Design Group L.L.C. has been licensing innovative toys & juvenile product world wide throughout the Toy & Juvenile Product Industry.
