Leonz Eder (1953) obtained his degrees in Pedagogical University of Zug, the University of Berne as MSc in Physical Education and later a Sports Management Diploma at Swiss Olympic Committee / University of Fribourg. He started his career as a teacher at Primary School in Zug and later at St. Gallen University as the Head of Sports department.

In his young years he was also active as an athlete of regional level in such sports as Artistic Gymnastics, Handball and Volleyball. After finishing his sports career he continues to be active in daily life and to do recreational sports, as hiking, cycling, golfing, downhill skiing etc.

Leonz entered the sports movement first as a National Coach in Athletics, then since 1983 he was involved in the Swiss University Sports movement first as Member of the Board and since 1998 as Managing Director of the Swiss University Sports Federation. As part of the Swiss NUSF he was a member of the Organising Committees of numerous FISU World University Championships in different sports: World University Championships Orienteering (1994), Golf (1996 and 2014), Equestrian (2000), Triathlon (2006 and 2016), Floorball (2006), Chess 2010), Cross Country (2018), Orienteering (2022). He still serves as Chairman of the Swiss University Sports Foundation.

Since 1991 he was involved in the International University Sports Federation (FISU) as Member and Chair of different Committees and Working groups (Media, Protocol, Evaluation and Supervision of Winter and Summer Universiade, Development) and he served as a Member of the FISU Executive Committee since 2003 (Vice President 2011-15, 1st Vice President since 2015). In January 2021 he became FISU Acting President and had to stand for the development of the University sports movement in the challenging time of COVID-19 pandemic and rapidly changing political situation worldwide. He proved to show adaptability and force to help FISU overcome met challenges with 2 successfully organised FISU World University Games in 2023 (Winter Games in Lake Placid, USA and Summer Games in Chengdu, CHN).