As Sweden's representative at the 2012 Ford World Women's Curling Championship, the Sigfridsson rink won the silver medal, losing to Switzerland's Mirjam Ott in the final match.
Ott (record producer) | Ott | Carlos Ott | Ott Sepp | Mirjam Ott | John Ott | Fred Ott | Stanley Joseph Ott | Peter Karl Ott von Batorkez | Mirjam Müntefering | Harry L. Ott, Jr. | Hans Ott | Friedrich Schmidt-Ott | Fred Ott's Sneeze |
She led her team to victory for gold over Cheryl Bernard's Canadian team in the 2010 Winter Olympics in Vancouver becoming the first skip in the history of curling to successfully defend an Olympic title after previously winning the 2006 Women's Curling tournament in Turin over Mirjam Ott's Swiss team.