Christa Hesterman-van Beers is the Secretary and one of the co-founders of International Ice Swimming Association Netherlands . She is a former Dutch open water swimmer and the ice swimming coach of Fergil Hesterman and the team manager of 7 athletes at the IISA Netherlands at the 2019 IISA World Championships in Murmansk , Russia. She also organizes the Gaasperplas open water competition in the Netherlands and the Amstel Ice Swim .
