Theo Nathaniel Epstein (born December 29, 1973) is an American Major League Baseball executive who is, since 2024, the senior adviser and part-owner of Fenway Sports Group, which owns the Boston Red Sox of Major League Baseball and Liverpool FC of the English Premier League, among other properties. Epstein was the vice president and general manager for the Red Sox and then the president of baseball operations for the Chicago Cubs, working for each team for nine seasons. Following his tenure in Chicago, he joined MLB as a consultant. Wikipedia