Phyllis E. Grann (born September 2, 1937) is a former book editor and publishing executive. She was the first female CEO of a major publishing firm, Penguin Putnam, and one of the most commercially successful publishers in recent history.[1] She was a long-time editor for Knopf Doubleday, and a former CEO of the Putnam Berkley Group and was also CEO of Penguin Putnam. Grann was responsible for publishing many notable and bestselling authors at Penguin including A. Scott Berg,[2] Judy Blume, Tom Clancy,[2] Patricia Cornwell, Sue Grafton, Daniel Silva, and Kurt Vonnegut.[3] At Doubleday Grann acquired and edited Jeffrey Toobin, Tina Brown, Bob Herbert, Ayelet Waldman and Tim Weiner.[3] At Knopf she edited John Darnton.[3]