Conversation so far:
What role did Theo Epstein play with the Red Sox?
became president and chief executive officer (CEO) of the Red Sox.
What year did he become president?
November 15, 2001 and hired Epstein to work under him.
How long did Epstein work with the Red Sox?
At the end of the 2002 season, Lucchino appointed Epstein to replace interim general manager (GM) Mike Port.

Question: How long did Epstein remain the GM?
Self-contained rewrite: How long did Theo Epstein remain the GM?