Conversation so far:
What year did Kevin Durant join?
2007.
What did he get?
Durant received an invitation to the United States national team training camp.
What happened to him this year?
he was cut from the team when its roster was trimmed to its twelve-player limit.
Who cut him?
Mike Krzyzewski.

Question: What is his job title?
Self-contained rewrite: What is Mike Krzyzewski job title?