Marty Appel, American businessman and author

Martin E. Appel (born August 7, 1948), is an American public relations and sports management executive, television executive producer, and author.Appel's career has included sports public relations (including as Public Relations Director for the New York Yankees), sports management, and serving as a television executive producer. He has written over 20 books, including Pinstripe Empire: The New York Yankees from Before the Babe to After the Boss, published in 2012, and Casey Stengel: Baseball’s Greatest Character, published in 2017.