Conversation so far:
What role did Theo Epstein play with the Red Sox?
Theo Epstein was General Manager of the Boston Red Sox.
What year did Theo Epstein become president?
Theo Epstein became president of the Cubs in 2011. He was GM of the Red Sox from 2001-2005 and 2006-2011.
How long did Epstein work with the Red Sox?
Theo Epstein worked with the Red Sox for 9 years, from 2001-2005 and 2006-2011.
How long did Epstein remain the GM of the Red Sox?
Theo Epstein worked as GM with the Red Sox for 9 years, from 2001-2005 and 2006-2011.
What did he do after rejecting the renewal contract with the Red Sox?
Because it was Halloween the night he resigned from the Red Sox, Epstein left Fenway Park wearing a gorilla suit in an attempt to avoid reporters.

Question: What was his official position when he returned in 2006?
Self-contained rewrite: What was Theo Epstein’s official position with the Red Sox when he returned in 2006?