Kammala jumla mai zuwa: Zwicker ya wakilci kasarsa a wasannin Olympics na 2016, inda ya lashe lambar tagulla. Ya kuma taka leda a 2010 da
Gasar cin Kofin Duniya ta 2014. A ranar 28 ga Mayu, 2021, an sanya shi a cikin 'yan wasa don Gasar EuroHockey ta 2021 da Wasannin Olympics na bazara na 2020.