Conversation so far:
When did he begin coaching?
Buckley signed a 5-year deal with the Collingwood Football Club.
He was the assistant coach for the seasons of 2010 and 2011.
Was he ever head coach?
he then became head coach in 2012, having taken over from Mick Malthouse, initially signing for a period of three years.

Question: How was his time as assistant coach?
Self-contained rewrite: How was Nathan Buckley's time as assistant coach?