PHILADELPHIA–(BUSINESS WIRE)–On Tuesday, September 20, 2016, Brian L. Roberts, Chairman and Chief Executive Officer of Comcast Corporation (NASDAQ: CMCSA), will participate in the Goldman Sachs 25th Annual Communacopia Conference in New York City. A live webcast of the event will be available on the Company’s Investor Relations website at on Tuesday, September 20, 2016 at 8:00 A.M. Eastern Time. An on-demand replay will be available shortly after the conclusion of the presentati