John started his career in marketing at Boots and Scottish & Newcastle. In 1984, he co-founded the Leith Agency, which grew to become Scotland's leading advertising agency with offices in Edinburgh & London. After the agency became part of the Cello Group, John joined Denholm. He's been a member of the Scottish Arts Council, Chair of Creative Edinburgh & was given a Lifetime Achievement Award at the 2007 Scottish Advertising Awards. He is a Fellow of the Marketing Society in Scotland.