After nine years with the Yankees as the youngest public relations director to serve a major league baseball team, Appel went on to direct public relations for Tribune Broadcasting’s WPIX television station in New York. He also served as the Yankees Executive Producer for TV broadcasts at the same time. Appel later directed PR for the Atlanta Committee for the Olympic Games and the Topps Company, before opening his own agency. His client base has included Topps, The Sporting News, The Football Network, The Yogi Berra Museum, the Yankees and the Office of the Baseball Commissioner.
Marty manages PR for many groups outside of sports including: NYC Health & Hospitals Corp., Columbia University’s New Teacher Institute, a communications course in Harlem’s District 5 for an after-school program, the New York City D.A.R.E. program, the Maritime Association, Boys and Girls Clubs of America, the New York Academy of Medicine’s ‘Doctors Against Handgun Injury’ program, and Mickey Mantle’s Restaurant.
Marty has also written multiple books including collaborations with Larry King, Bowie Kuhn, Tom Seaver, Lee MacPhail, umpire Eric Gregg, Thurman Munson, the definitive collection of Hall of Fame biographies in Baseball’s Best, and the award-winning biography “Slide, Kelly, Slide” about a 19th century baseball star. His autobiography, “Now Pitching for the Yankees,” which was published in June 2001, was named best New York baseball book of 2001 by ESPN.