Gwen Ifill (born on September 29, 1955 - died on November 14, 2016) was an the 10th Anniversary Primetime Celebration. She was known as the moderator and managing editor of Washington Week and co-anchor and co-managing editor, with Judy Woodruff, of the PBS NewsHour. Gwen appeared as an expert for the "Ask the Expert" lifeline on the U.S. version of Who Wants to Be a Millionaire? on August 17 and 18, 2009 during the 10th Anniversary Primetime Celebration.