Contact Us



Sandy Nattress

Executive Director

Blanca edited smaller

Blanca de la Rosa

Office Manager

Blanca grew up in Monterrey, Mexico and moved to Canada to complete her bachelor’s in Marketing and Communications in Victoria. She has had strategic planning roles with Labatts Brewery and Sol Brewery, marketing roles with Schneider Electric and she was a Business Development Manager for ACD Systems. More recently she was a business owner in the hospitality industry and worked as a licensed insurance agent.

Blanca has two ski racing daugthers in WMSC and enjoys cross country skiing in the winter and hiking and boating with her family in the summer.


Jessica Haslau

FIS Lead Coach

Jessica grew up skiing in Mt. Buller Australia and as an athlete was a member of the Mt Buller Race Club. She was twice selected to the Australian National Alpine Team and is a Level 200 USSA Coach and Level 4 APSI Instructor, trainer and examiner having received her first qualification at 15 years of age. She took her passion for skiing, racing and coaching with her family to Winter Park , Colorado where she spent over 13 winters competing at the FIS/Nor Am level training with the Winter Park Competition Centre (WPCC) and later coaching with WPCC and the family run ski camp.

For the last ten winters, Jessica has coached for the Mt Buller Race Club as a senior and head coach and has been fortunate to travel the world ski racing and coaching in places like New Zealand, Canada, United states and many parts of Europe. Along the way she has taken the opportunity to do a lot of free skiing and backcountry skiing and off snow, enjoys surfing, horses and riding her bike and competing in triathlons.

The Whistler Mountain Ski Club is very excited to welcome her to the coaching staff of the WMSC FIS team.


Matou Martinal

FIS Coach

I am 29 years old and I come from Val d’Isere in France.
I was a ski racer until I was 18 and after 2 years in FIS I stopped competing.
I then started my ski instructor diploma.
At 21 I started my coaching career in Val d’Isere with the U10’s for 2 years and then I coached the U16’s and U18’s for 5 years.
I am very happy to have the chance to coach this year in Whistler and I will do my best to create an environment that is fun and leads to good results to all athletes.
Mateo is his name, but you can call him Matou. Matou is a ski coach from France.

Laurence Pichette

FIS Coach

Laurence’s passion for skiing began during her chilhood in Quebec, where she fully immersed herself in the sport. She dedicated three years to skiing with the Estrie Elite ski team. Later, she furthered her skiing career by joining the university ski team, where she continued to pursue her passion for skiing at the FIS level for five years.

During her skiing journey, Laurence also focused on her academic pursuits. She earned two bachelor’s degrees, one in business and another in physical education.

As the years passed, Laurence’s love for skiing evolved into a profound passion for coaching the sport. She dedicated five years to coaching the Montreal University ski team, solidifying her desire to guide and inspire the next generation of skiers. She is thrilled to continue this journey by joining the Whistler Mountain Ski Club


Marie Desrosier

FIS Coach

Marie grew up ski racing on the East coast. She raced on FIS, University and Nor-Am circuits, representing the University of Montréal and Canada. Passionate about skiing since forever, she wants to share her knowledge and her love for the sport.

Ryan Webster

FIS Coach

David Prades

U16 Lead Coach

Born in Madrid, Spain. David has worked as a ski coach for the last 26 years with athletes of all ages and from many different countries. He has been living and working in Switzerland for the past 17 years, where he started and developed an organization called Ski Zenit that caters year-round ski training for athletes from all over the World. The last 3 years he has been the Head Coach at the U18 Team at Ski Valais (provincial team equivalent to BC Team) in Switzerland.
David has moved to Canada with his family and is feeling highly motivated with his new role at the WMSC U16 team.
As a coach he believes in letting young athletes have their own space for learning while providing them with the best possible atmosphere, training set-up and tools for it.
When he is not training with his athletes you might see him powder skiing, ski touring, hiking climbing or flying a paraglide.

Liv Bradley

U16 Head Coach

Steph Proffit

U16 Coach

Dave Duncan

U16 Coach


Bob Deeks

U16 Coach

Bob is a legend in the Whistler Valley and in the Canadian ski coaching world. He has coached skiing since 1979. Bob hails from Craigleith Ski Club in Ontario. When he moved to Whistler in 1988, he started coaching with the Blackcomb Ski Club. His no nonsense coaching style has won over many athletes and parents alike. He is a coach of few words and a fierce competitive spirit. He cares deeply for his athletes, their ski development and their growth as good humans. He is proud to have coached many future Olympians. He is also proud that his daughter is in the U16 program and his son is with the Sr. Freeride Club. He counts himself lucky to know his children share his passion for skiing.


U16 Coach


Chloé Sigouin

U16 Lead Coach

Originally from Ottawa, Chloé grew up ski racing in the Outaouais region and for Québec’s provincial circuit. Chloé has been involved in the ski industry for over ten years, working as an instructor and coach in Québec, BC, and Australia. Chloé is an ACA Performance Level trained Coach, a Level 4 CSIA Instructor, and a Level 2 CSIA Examiner. Her passion for skiing brought her to Whistler, where she is now established with her partner Sjoerd. She enjoys spending time in the mountains, winter and summer, and is excited to be a part of the WMSC team.

Zack Nattress

U14 Coach

Soleil Patterson

U14 Coach

William King

U14 Coach

Sierra Gibson

U14 Coach


Aidan Walters

U14 Coach

Aidan grew up skiing in Ontario on hills rather than mountains. Ski racing out east developed his love for the sport and has set him chasing the mountains across the country. Aidan spent 3 years racing FIS, two with the SOD ski team and one in Europe. He recently moved out to BC to study at Quest University and began his coaching career up at Whistler this season. This year he added an EL coaching course to his extensive list of certifications from summer-time wilderness guiding. Aidan is excited to start the next chapter of his skiing journey with the U12 program and share both his experiences and love of the sport with the next generation of ski racers.

Scott Waldrum

U14 Coach

Dana Toso

U12 Lead Coach


Charlotte Uskoski

U12 Coach

My name is Charlotte and this will be my first season with the WMSC. I have spent 18 seasons as part of the Whistler Blackcomb snow school working in a variety of roles, most notably as a RDP coach for 10 seasons. I have been teaching and coaching snow sports since I was 15 (fun fact, I have been a CSIA member for 25+ years) and cannot imagine a different way to spend the winter. I love being a part of your children’s learning and development and find skiing such a great venue for turning them into functional young adults. I am looking forward to spending the weekends with a pack of kids who love to ski.
I hold my CSIA level 3, my ISIA stamp and am ACA entry and development level trained. I have a bachelor’s degree in Human Kinetics from UBC and look forward to continuing my professional development as a member of the ski club this winter.
Some trivia about me? Well, my favorite run is West Cirque, I love storm days with snow and wind, lots of snow and lots of wind and my favorite ice cream is plain ’ol vanilla. When I am not at work I am at home in Squamish with my husband and 2 daughters who are 11 and 7.

Grace Raymond

U12 Coach

Accalia Paine

U12 Coach


Drew Hetherington

U12 Coach


Whistler Mountain Ski Club

(p) (604) 932-4644

Postal code V8E 0B6

Business Hours
Monday to Friday 9 am to 4:00 pm

2028 Rob Boyd Way, Whistler, British Columbia, CA