Is an Italian biathlete. Performed for Belgium in 2006/2007 season. She had her best period as a biathlete in the early 1990s. In 1993 she became second in the overall World Cup. She has had a total of three victories during her career.
In 2006 she married fellow biathlete Ole Einar Bjørndalen.
Nathalie's sisters Saskia (biathlon) and Stephanie (cross-country skiing), are both excellent athletes. If Stephanie had not been injured, the 2006 Olympics in Turin would have been the first time the three sisters had participated in the same Olympics.