Publishers Lunch is reporting that editor Ben Greenberg has been promoted to senior editor at Grand Central Publishing. He’s been with the publisher for six years, since graduating from the University of Pennsylvania with a BA in English. Currently, Greenberg is responsible for two books on the New York Times bestseller lists: Abraham Lincoln, Vampire Hunter by Seth Grahame-Smith (at #4 on the hardcover fiction list in its first week on the lists) and I am Ozzy by Ozzy Osbourne (#12 on the hardcover nonfiction list in its third week on the lists).