Silvana Tirinzoni (born 25 June 1979 in Zurich) is a Swiss curler from Oberrohrdorf.In 1997, Tirinzoni was the Swiss alternate for Bianca Röthlisberger at the World Junior Curling Championships. The team finished seventh. The following year, Tirinzoni was the Swiss skip, at the World Juniors, and she and her team of Michèle Knobel, Brigitte Schori and Martina von Arx finished sixth. In 1999, the same team returned to the Juniors, and won the whole tournament for Switzerland. After finishing the round robin in 2nd place with a 7-2 record, Tirinzoni led Switzerland to a semi-final win over Sweden's Matilda Mattsson and a final win against Japan (skipped by Akiko Katoh) to win the gold medal. Wikipedia