Career
Sillig played for the Switzerland men"s national ice hockey team at the 1920 Summer Olympics in Antwerp. He was president of the International Ice Hockey Federation from 1920–1922. His successor was Paul Loicq.
Sillig played for the Switzerland men"s national ice hockey team at the 1920 Summer Olympics in Antwerp. He was president of the International Ice Hockey Federation from 1920–1922. His successor was Paul Loicq.