Robert H BloomRobert H. Bloom is a successful entrepreneur and long-time U.S. CEO of advertising giant Publicis Worldwide. He has been responsible for countless standout marketing campaigns and has created growth strategies for companies and brands that hav become global household names.Dave Conti is a writer and editor specializing in business and self-help topics. He is coauthor with Stephan H. Baum of What Made Jack Welch Jack Welch: How Ordinary People Become Extraordinary Leaders. Read More Read Less