In 1990, Zanetti moved to the United States to study syndication. On his return, he pioneered political cartoon syndication in Australia, appearing in newspapers throughout Australia and internationally.
In 1993, he co-founded Australian Newspaper Features (ANF) Pty Ltd, Australia's first content syndicator of features and columns by household Australian names, Ray Martin (What Does Ray Say? ), John Laws (Lawsie), Rene Rivkin (Taking Stock), Angry Anderson (Getting Angry), Paul 'Fatty' Vautin (Life With Fatty) and John-Michael Howson from Los Angeles (Hollywood Hotline).