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Theo Epstein

セオ・エプスタイン / せお・えぷすたいん

American executive

December 29, 1973 (age 52) ・ New York City, New York, United States

  • New York
  • executive
  • businessperson

My Take

Theo Epstein is the kind of baseball genius who makes you rethink what "front office" even means. He became the Boston Red Sox's general manager at just 28 — the youngest in MLB history at the time — and promptly ended an 86-year championship drought with the 2004 World Series title. Then, as if that weren't enough, he moved to Chicago and did the impossible again: snapping the Cubs' 108-year curse with the 2016 World Series win. Two franchises, two legendary droughts, one guy. Yale-educated, analytically sharp but never losing sight of the human element in roster building, Epstein basically rewrote the playbook for modern baseball operations. Time naming him to their 100 Most Influential People in 2017 felt less like recognition and more like catching up to something that was already obvious.

Overview

Theo Nathaniel Epstein (born December 29, 1973) is an American former Major League Baseball (MLB) executive who currently serves as a senior advisor and part-owner of Fenway Sports Group, which owns the Boston Red Sox of MLB and Liverpool F.C. of the English Premier League, among other properties. Epstein helped to end two of the longest World Series droughts in MLB history.

1. Profile

Name (English)
Theo Epstein
Name (Japanese)
セオ・エプスタイン
Reading
せお・えぷすたいん
Born
December 29, 1973 (age 52)
Zodiac / Chinese zodiac
Capricorn / Ox
Origin
New York City, New York, United States
Blood type
Private
Height
Private
Agency
Private
Occupation
executive / businessperson

2. Background

Elementary school
Private
Junior high
Private
High school
Brookline High School
University
Yale University

Awards & achievements

  • 2017 Time 100

3. Relationships

Spouse
Private
Children
Private
Parents
Private
Siblings
Private

4. Personality

Motto

Private

7. About this entry

Tags

  • New York
  • executive
  • businessperson
Last updated
2026-06-02

Facts are limited to publicly available information up to 2024; non-public items are marked "Private / Unknown". English text is machine-assisted (facts translated by Sonnet, "My Take" written by Opus 4.8). The Japanese page is the source of record.