Syngenta has announced two leadership appointments in its U.S. seeds business. David Elser will assume the newly-created role as the head of Syngenta’s top producer grower segment. Most recently, Elser oversaw U.S. seed sales and biofuels for Syngenta. G.W. Fuhr joins the company as the head of its U.S. branded sales and biofuels. For nearly ten years, Fuhr has been with DuPont Pioneer.