As Executive Chairman of Leo Burnett Worldwide Mark led the network’s unrivaled creative firepower across the world and was responsible for setting the company’s vision. Mark oversaw the creative output for some of the world’s most respected and valuable brands, including Samsung, Coca-Cola, Mercedes-Benz and McDonald’s.

In 2015, Advertising Age recognized Leo Burnett as the most awarded network in the world. Under Mark’s leadership, the network has topped the Gunn Report’s “All Gunns Blazing” category for seven of the last eight years, leading the industry in new-world thinking. And is one of a very small group of agencies to have ranked in the world’s Top 5 most awarded creative networks for ten years in a row.

One of the most awarded creative directors in the industry, Mark’s work has garnered every major creative accolade. During his tenure, Mark has won over 600 Cannes Lions, including nine Cannes Grand Prix, three Titanium Lions, four Glass Lions, the first ever D&AD White Pencil, two D&AD Black Pencils, 6 Grand Clio Awards, five One Show Best of Show Pencils, two ADC Black Cubes, and two Emmy Awards. Campaign Magazine named Mark the ‘No.1 Worldwide Creative Director’.

Under Mark’s creative leadership, Leo Burnett has developed world-class campaigns for some of the world’s most iconic brands, including P&G, Samsung, McDonald’s, General Motors and Coca-Cola. Under his purview Samsung, Coca-Cola, McDonald’s and P&G were named Cannes Lions “Creative Marketer of the Year”.

Mark has had the honour of serving as Jury President of Cannes Lions five times, and has chaired every major creative award show throughout his career.

In 2013, Mark introduced “Creativity Without Borders”, a game-changing vision for marketing communications to Leo Burnett that is now widely adopted and embraced by the network

Mark was author of the book “HumanKind”. He sits on the D&AD Global Advisory Board, the Facebook Creative Council, and is a member of the Royal Society of Arts.