Walter Isaacson, a professor of history at Tulane University and a former editor of Time magazine, will be the featured speaker at the 2020 Greater Des Moines Partnership Annual Dinner on Jan. 15 at Community Choice Credit Union Convention Center. Isaacson is the past CEO of the Aspen Institute, a former chairman of CNN and a published biographer with books focusing on Leonardo da Vinci, Steve Jobs, Albert Einstein and Benjamin Franklin. Information and tickets are available online