American businessman and ambassador to Canada
According to Wikipedia,
David L. Cohen is an American businessman, attorney and lobbyist who is the United States ambassador to Canada. He previously served as the senior advisor to the CEO of Comcast Corporation. Until January 1, 2020, he was senior executive vice president and chief lobbyist for Comcast. He also served as chairman of the board of trustees for the University of Pennsylvania and was chief of staff to former Philadelphia Mayor Ed Rendell.
David L. Cohen is affiliated with the following schools: