New York—Ron Berger, executive chairman of EuroRSCG North America, New York, will leave the agency after 25 years in order to pursue other opportunities. Before serving as executive chairman, Berger was CEO of Euro RSCG New York and Euro RSCG San Francisco. He has been with the agency since 1986, when he co-founded Messner Vetere Berger McNamee Schmetterer Euro RSCG. As executive chairman, Berger was responsible for client engagement and regional management for North America. The agency will not name a successor to the position.