Mark Roeder is an author, cultural commentator and corporate executive. He was a global executive at UBS, and previously held senior positions at Zurich Financial Services and Westpac Banking Group. He has lived and worked in New York, London, Sydney and Zurich. His latest book, The Big Mo: Why Momentum Now Rules Our World (Virgin books, HarperCollins) 2011, explores the growing impact of large-scale momentum on society. Roeder is a Big Think Delphi Fellow.