 Biner is a baker, and is the former president of the Swiss Bakers Confectioners Association ().He is former owner of a bakery company in Zermatt named "Bäckerei-Konditorei Biner" and founded in 1932 by his father Alfons Biner, who was a competitive curler too, and is a four-time Swiss men's curling champion.In 1994 he offered the "Praliné Cup" for the open air curling tournament "Scottish Week Curling in Zermatt".