"[4] After high school, MacIntyre moved to Antigonish, Nova Scotia, where in 1964 he obtained a Bachelor of Arts degree from St. Francis Xavier University.

He joined the Canadian Broadcasting Corporation in Halifax in 1976 and for three years he hosted a regional public affairs show called The MacIntyre File.

It was with this program that he launched a successful legal challenge before the Supreme Court of Nova Scotia over access to affidavits and documents relating to search warrants.

[5] In 1980, MacIntyre moved to Toronto, where he still resides, to work as a producer and journalist and in 1981 he joined CBC's new flagship news program, The Journal.

Examples of his stories include: During a fifty-day lockout by the CBC in 2005,[10] MacIntyre penned a memoir called Causeway: A Passage from Innocence, which he dedicated to his mother.