Sweeney is CEO at the British Olympic Association. He joined in November 2013 and is responsible for directing the day-to-day activities of the BOA, including overseeing Rio 2016 Summer Olympic Games and the many other international, multi-sport events in which Team GB will compete.

From 2003-2010, Sweeney served as Senior Vice President of adidas Reebok Group, where he was responsible for the global management and strategic direction of a multi-billion euro business unit. Following that Sweeney was Global Head of Business Development for PUMA AG.

Prior to his career in the Sports industry he held various senior brand management and marketing positions with Unilever, Mars, and British American Tobacco.