Hhne joined the VC Olympia and was appointed to the German junior national team where he led the under-21 team as a captain for FIVB Volleyball Men's U21 World Championship 2011 in Bahrain, where it reached the 10th place.
He led the under-21 team as a captain for FIVB Volleyball Men's U21 World Championship 2011 in Brazil, where it reached the 10th place. 
