Fiat Chrysler CEO Sergio Marchionne, Congresswoman Candice Miller and Macomb County Executive Mark Hackel were among the dignitaries who turned out Thursday to celebrate the golden 50th anniversary of the Sterling Heights Dodge Chrysler Jeep Ram dealership at 40111 Van Dyke Avenue.Family was the theme of the night as guests spoke about dealership owner Tony Viviano's long career in the automotive industry along with his community service.