Over the past 20 years Marcus has built a significant reputation shooting an array of art, editorial and commissioned projects. Commercially, Marcus has a wealth of experience shooting campaigns for the advertising, fashion and design industries. His portrait work is particularly well know with commissions to photograph individuals as diverse as Michael Gambon, Tony Blair, Kelly Holmes and The Queen. His personal work has focused on producing in-depth social-documentary photographic essays, ranging from the Street Children of Latin America to Paralympic sport. These and other subjects have formed the basis of over sixty exhibitions internationally.