Education
MacEwan was educated at Harrow School and the Royal Military Academy Sandhurst.
MacEwan was educated at Harrow School and the Royal Military Academy Sandhurst.
He joined the Irish Guards in 1987 and retired in 1998. With postings to Belize, Northern Ireland, Berlin and Oman, MacEwan was Staff Captain (London District) in 1993 and his last posting was as an Equerry to Her Majesty Queen Elizabeth the Queen Mother. After two years at Gartmore Investment Management, MacEwan joined Western Provident Association and is currently the Corporate Communications Director for World Pet Association, Director of Good Causes at the World Pet Association Benevolent Foundation (created in 2011) and an Extra Equerry to His Royal Highness the Duke of Gloucester (since 2003).