Communication strategist Karen Hughes, worldwide vice chair of Burson-Marsteller, former Under Secretary of State for Public Diplomacy and Public Affairs and former advisor to President George W. Bush, will speak at a Winston Center for Leadership and Ethics event on Feb. 25. She will present “The CEOs of Leadership: Clarity, Example and Optimism,” at 4 p.m. in Gasson Hall, room 100. Hughes, who has more than 30 years of public policy, communications and political experience, joined the global public relations and communications firm Burson-Marsteller in 2008. Prior to that she served as Under Secretary of State for Public Diplomacy and Public Affairs where she led the U.S. State Department’s effort to communicate America’s values abroad. Hughes is author of the memoir Ten Minutes from Normal(Viking).