Delaware by Hand - DE - USA Society of American Mosaic Artists - SAMA - USA Société d'Encouragement aux Métiers d'Art - SEMA - Paris - FRANCE Atelier des Brikezolces - Paris - Francehtt Centro Int. Studi Insegnamento Mosaico - CISIM - Ravenna - ITALIA Delaware Center for Contemporary Arts - DCCA - Wilmington - DE - USA
