Clifton Leaf is a Global Fellow at the Ellison Institute for Transformative Medicine and an Adjunct Professor of Journalism at Columbia University’s Graduate School of Journalism. Previously (until June 2021) he was the 19th Editor-in-Chief of FORTUNE, where he shepherded this venerable publication through its 90th anniversary and beyond. He is also the author of the critically acclaimed book, The Truth in Small Doses: Why We’re Losing the War on Cancer—and How to Win It, which was named by Newsweek as one of “The Best Books About Cancer,” and which earned Cliff a Lifetime Achievement Award in cancer reporting in addition to many other honors.