In 1979 and 1980, he taught at the Pilchuck Glass School in Washington state, which initiated an ongoing exchange of knowledge between the Italian maestri and American glass artists, groups that in the past had guarded their techniques as trade secrets.
From 1979 to 1980, he was employed at the Pilchuck Glass School in Washington. This time period witnessed an ongoing sharing of knowledge among Italian artisans and American glass artists, who had traditionally kept their techniques secret.