Complex sentence: Avock started his coaching career with Yatel and he stayed with the club until 2011 Since December 2011 until April 2012 he was a coach of the AS Mont-Dore.
Split into simpler sentences: Avock started his coaching career with Yatel and he stayed with the club until 2011. From December 2011 until April 2012 he was a coach of the AS Mont-Dore.