Chefs Collaborative Chefs Collaborative is the leading nonprofit network of chefs that foster a sustainable food system through advocacy, education, and collaboration with the broader food community. Website: www.chefscollaborative.orgEmail: chefscollaborative@chefscollaborative.orgPhone: 617 236-5200Mailing Address:89 South Street, lower levelBoston, MA 02111Date Updated: 5/19/2010