Nickname
Kalle. (volleyball-verband.de, 04 May 2012)
Hobbies
Reading, theatre, golf (volleyball-verband.de, 04 May 2012)
Occupation
Athlete
Club name
Tonno Callippo Vibo Valentia
Coach
Vital Heynen [national] from February 2012 (volleyball-verband.de, 04 May 2012)
Position and style
Outside hitter (volleyball-verband.de, 04 May 2012)
Other sports
His father Viktor also plays volleyball. (volleyball magazin, Aug 2010).
