Walter Seff Isaacson (born May 20, 1952) is an American author, journalist, and professor. He has been the President and CEO of the Aspen Institute, a nonpartisan policy studies organization based in Washington, D.C., the chair and CEO of CNN, and the editor of Time.
Born in New Orleans, Louisiana, he attended Harvard University and Pembroke College, Oxford as a Rhodes scholar. He is the co-author with Evan Thomas of The Wise Men: Six Friends and the World They Made (1986) and the author of Pro and Con (1983), Kissinger: A Biography (1992), Benjamin Franklin: An American Life (2003), Einstein: His Life and Universe (2007), American Sketches (2009), Steve Jobs (2011), The Innovators: How a Group of Hackers, Geniuses, and Geeks Created the Digital Revolution (2014), Leonardo da Vinci (2017), The Code Breaker: Jennifer Doudna, Gene Editing, and the Future of the Human Race (2021) and Elon Musk (2023).