Christopher Dodd to Step Down as Top Lobbyist for Movie Industry - By BROOKS BARNESAPRIL 28, 2017 LOS ANGELES — Christopher J. Dodd, ending an uneven six-year tenure, will step down in September as chief executive of the Motion Picture Association of America and will be succeeded as Hollywood’s top lobbyist by Charles H. Rivkin, a former United States ambassador and assistant secretary of state. “If you ask these guys what their three major goals are, they will tell you China, China, China,” Mr. Dodd said in a telephone interview, referring to studio executives. He was also the chief executive of Wildbrain Entertainment, known for producing the hit series “Yo Gabba Gabba!” He was named United States ambassador to France in 2009 and later became the top State Department official for business and economic affairs under President Barack Obama.