Nathalie Tremblay was born in 1965, in Chicoutimi, Quebec. She began studying classical ballet when she was just four years old, and developed a life-long passion for dancing. She was a ballet dancer for over 15 years, from 1969 to 1984. Between 1970 and 1989, she studied other forms of dance, ranging from jazz to modern, balladi, flamenco and tango.

Nathalie holds a degree in fashion design, and won an award as one of Quebec's most talented young designers. She worked as a fashion designer for several years, before turning to a different field and working as an artistic director in films. She also holds a degree in fashion business management from LaSalle College, and a Bachelor of Arts from the Université de Montréal and the École des Hautes Études Commerciales (HEC) in marketing, advertising and art history.

She has enjoyed many different outdoor sports since her youth, including alpine and cross-country skiing, windsurfing, river canoeing, etc., and has even taken courses as a pilot.

She has been involved in expeditions and mountaineering since she met Bernard Voyer.

1983-1987: Won all Quebec windsurfing (funboard) championships.

1986: Won second place in the Canadian windsurfing (funboard) championships.

1995: Skied across Baffin Island in the Canadian Arctic (200 km).

1995: Logistics manager for a Canadian first, the crossing of Greenland by Bernard Voyer and his team of Thierry Pétry and Benoît Roy.

1996: Logistics manager for the South Pole expedition by Bernard Voyer and Thierry Pétry. She flew to the South Pole to pick them up, after they became the 9th and 10th people in the world to cross Antarctica to the South Pole unassisted.

1996: Made many climbs in the Alps and the Rockies.

1997: Trained on Mount Maipo, and made an attempt on Mount Aconcagua, Argentina; reached 6,000 m.

1997: Logistics manager at the base camp (5,400 m) for Bernard Voyer's Everest attempt.

1998: On December 21, stood on top of Kilimanjaro, the highest point in Africa (5,895 m).

1999: Logistics manager at the base camp (5,400 m) for Bernard Voyer's successful Everest expedition.

Dec. 99 to Jan. 2000: Successfully climbed four Andean mountains in Ecuador: Fuya Fuya (4,200 m), Mount Imbabura (4,620 m), Mount Cotopaxi (5,897 m) and Mount Chimborazo (6,310 m).

July 2000: Member of an international expedition to Mount Carstenz, Indonesia (4,884 m).

October 14, 2000: First Quebec woman to reach the summit of Mount Elbrus, the highest peak on the European continent (5,642 m).

July 2, 2001: Reached the summit of the highest peak in North America, Mount McKinley (6,194 m).

November 10, 2001: She stood atop the world's coldest peak, Mount Vinson (4,987m) in Antarctica .

January 5, 2003: Bernard and Nathalie reached the summit of Australia, Mount Kosciuszko, 2,228m.