Don has 26 years of experience in the sprinkler industry; in locales ranging frome the Midwest, the South to California. His career in the sprinkler industry began as a salesman, and then progressed to a superintendent, projet manager, sales manager and then district manager. For the past ten years in the industry, Don worked as a manger for the Los Angeles offices of Grinnell, Cierra Mechanicl and Cosco.