As Executive Chairman of Leo Burnett Worldwide, Mark lead’s the network’s unrivaled creative firepower across the world and is responsible for setting the company’s vision. Mark oversees the creative output for some of the world’s most respected brands, including Samsung, McDonald’s and General Motors.

In 2015, Advertising Age recognized Leo Burnett as the most awarded network in the world. Under Mark’s leadership, the network has also topped the Gunn Report’s “All Gunns Blazing” category for seven of the past 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 Clio Grand Prix, four 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 and Coca-Cola among others. Samsung, Coca-Cola and McDonald’s were named Cannes Lions “Creative Marketer of the Year” under his purview.

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 has had the honour of chairing the world’s greatest award shows, including D&AD, LIA Awards, Clios, Art Directors Club Global Awards, Eurobest, Spikes, ANDY Awards, ADFEST and the Art Directors Club of Europe. He is also one of the only creative directors in the world to serve as a Cannes Lions Jury President five times.

Mark sits on the Publicis Communications Board, the Facebook Creative Council, the One Show Board of Directors, the D&AD Global Advisory Board, and is a member of the Royal Society of Arts.