J Preller
American baseball executive (born 1977)
A. J. Preller is an American professional baseball executive who is the president of baseball operations and general manager of the San Diego Padres of Major League Baseball (MLB). He was hired by the Padres on August 5, 2014, while serving as the assistant general manager for the Texas Rangers, overseeing the player development and scouting departments and serving as a key advisor on all player acquisitions. At the time, he was 37 years old.
via Wikipedia