Devon MacDonald

Devon MacDonald is redefining media leadership in Canada by proving that transparency, independence, and craft can drive both trust and growth at scale.

As President of Cairns Oneil, Devon leads the only scaled Canadian media agency operating fully as an agent for its clients; free from principal-based buying, hidden incentives, and conflicted business models. Under his leadership, in the past year alone the agency has delivered 29% revenue growth, with 19% organic growth, and a 21% increase in headcount, while producing standout client results across culture, commerce, and cause-driven brands. Beyond agency performance, Devon is a visible and influential voice shaping the future of Canadian media. As Chair of the ICA Media Council and a CMDC board member he actively advances industry standards around transparency, effectiveness, and responsible innovation. A frequent speaker and quoted expert on AI, platform power, and media ethics, Devon’s leadership extends well beyond his own agency. Devon MacDonald exemplifies modern media leadership which is principled, accountable, and relentlessly focused on delivering meaningful outcomes for clients, people, and the industry.