Mark Penn is worldwide CEO of Burson-Marsteller, a leading global public relations and public affairs agency, and CEO of Penn Schoen Berland, a strategic research firm. He served as a key adviser in the 1996 re-election of Bill Clinton and as White House pollster for six years. He has helped elect over 25 world leaders, including Tony Blair’s re-election in 1995. He has also worked with major corporations and CEOs, including Bill Gates and Bill Ford. In 2008, Penn was chief strategist for Hillary Clinton’s presidential campaign. Penn is also author of the 2007 best-selling book Microtrends, a look at the small forces behind tomorrow’s big changes. @Mark_Penn