Career
Since October 2004 he has been chief executive of the Telegraph Media Group in the United Kingdom, having previously been managing director of Associated Newspapers from 1994. MacLennan began his career as a graduate trainee at The Scotsman in Edinburgh, before moving to Reading as production manager for a regional weekly. He joined the board of the Daily Record and Sunday Mail as production director in 1982.
Both papers were part of Mirror Group Newspapers, and he became the group"s director of production in 1984.
He moved to Express Newspapers a year later in 1985 to become production and technical director, Harmsworth Quays in 1989 to be managing director, then back to Mirror Group as group operations director of Mirror Group Newspapers and managing director of the Daily Record and Sunday Mail until 1994, when he moved to Associated. In August 2004, it was announced that he had been appointed by Aidan Barclay as the Chief Executive Officer of the Telegraph Media Group taking over from Jeremy Deedes.
In 1998 MacLennan was invited to deliver the MacMillan Memorial Lecture to the Institution of Engineers and Shipbuilders in Scotland. He chose the subject "The Press We Deserve".
In 2010, he became chairman of Pennsylvania, in addition to his role at the Telegraph Group.