The 13 competitors were chosen to perform the role at the event, which includes supporting, mentoring and offering advice to the 1,800 athletes who are due to compete, by their respective International Federations.

The list includes a host of world and Olympic medallists in sports which will feature on the Lausanne 2020 programme.

Hüfner claimed the women's singles luge title at Vancouver 2010, while Morris was a member of the Canadian men's curling team which took gold at the same Games.

Morris also partnered Kaitlyn Lawes to the mixed doubles crown at last year's Games in Pyeongchang.

The trio are joined on the list of athlete role models by Canadian figure skater Patrick Chen, a three-times world champion and Olympic medallist, and double Olympic medallist in biathlon Marie-Laure Brunet of France.

Austrian Vanessa Herzog, a world and European champion speed skater, American Olympic two-woman bobsleigh medallist Jamie Greubel Poser and European figure skating gold medallist Sarah van Berkel of Switzerland are among the others included.

Ski mountaineering world champion Yannick Ecouer of Switzerland, Russian Ekaterina Osichkina, a five-times world junior champion in the same sport, luge Olympian Gregory Carigiet and Swiss speed skater Livio Wenger complete the list.

According to the International Olympic Committee, the athlete role models will "engage and share their experiences with the athletes in the Youth Olympic Village, at training and competition venues, and during a series of educational activities and workshops".

The 2020 Winter Youth Olympics are scheduled to run from January 9 to 22.