Rubuta ci gaba don wannan sakin layi - Mabergs ya jagoranci jagorancin 'yan mata na Sweden a gasar zakarun duniya na 2011 da 2012
, a kan ƙungiyoyin da Jonna McManus da Sara McManus suka tsallake. A duka abubuwan biyu, Sweden ta kasance ta huɗu. Mabergs ya buga wasa na uku a tawagar Sweden, wanda Sara McManus ya tsallake shi, a Gasar Cin Kofin Duniya ta Junior ta 2013. Wannan tawagar za ta zama ta biyar. Mabergs ya jagoranci kungiyar jami'ar Gävle da ke wakiltar Sweden (kuma a sake, wanda Sara McManus ta tsallake shi) a Universiade na hunturu na 2015. A can, ƙungiyar ta gama a matsayi na huɗu.