Ian C.R. Brown, who has been with the Toronto Port Authority for nine years, has been appointed general manager of the Toronto Harbour Commissioners, according to an announcement by Karl Jaffary, chairman of the board. Mr. Brown succeeds Ernest B. Griffith, who remains as executive director of World Trade Centre Toronto, which is operated by the Commissioners.

The new general manager joined the Port Authority in 1971. Over the years he has held various posts. He was appointed assistant general manager in 1975. Mr. Brown is first vice president of the Canadian Port and Harbour Association. He is also on the board of the Canadian Importers Association.