Adviser to Bill Gates/Microsoft and many Fortune 100 companies; adviser to former US President Bill Clinton, former US Senator Hillary Clinton, former UK Prime Minister Tony Blair, and over 25 world leaders. CEO, Burson-Marsteller, a leading public relations and communications firm with global network of 150 offices and 2,000 employees. CEO, Penn Schoen Berland, global research-based consultancy. Author, Microtrends: The Small Forces Behind Tomorrow's Big Changes, a bestselling book about trends.