Our Team
Our passionate and professionally trained instructors are ready to provide you with a safe and unforgettable ride. With a love for fat biking and nature, they ensure that each tour is not only fun but also safe and tailored to every skill level. Whether you're a beginner or an experienced rider, we guarantee a top-notch experience, with safety and enjoyment always at the forefront. Meet the experts who will take your adventure to the next level!
About Frederik van Buynder
Professional athlete and Founder of Wattsup
Frederik van Buynder is not only the founder of Wattsup but also an exceptional top athlete with an impressive sports background. As a professional alpine skier, he has competed at the highest level in World Cup downhill races, a discipline where speed, precision, and daring come together. His experience in the international sports world has shaped Frederik into a true expert in outdoor activities, with a focus on technique, safety, and pure enjoyment.
In addition to his skiing successes, Frederik has a deep passion for mountain biking. As a certified mountain bike instructor and high-level competitor, he brings the same dedication and expertise to every fatbike tour. His attention to detail and extensive knowledge of the sport make him the ideal guide for any challenge in the mountains.
During the winter months, Frederik combines his work at Wattsup with teaching ski and snowboard lessons in Val d'Isère. Here, he stands out not only because of his professional sports background but also due to his language skills. Frederik is one of the few instructors in the Tignes-Val d'Isère ski area who speaks fluent Dutch, a great advantage for Dutch-speaking guests who immediately feel at home. Frederik is fluent in Dutch, French, English, German, and Spanish. Whether you're a beginner or advanced, Frederik can always guide you in your language and share his expertise.
With his unique combination of athletic achievements, extensive experience, and a passion for the mountains, Frederik offers an unforgettable experience. Whether you're on the fatbike or conquering the slopes, with Frederik, you'll discover Val d'Isère as only a true professional can show you.


A true family business
Wattsup Fatbike is not just Frederik's story, but also that of his parents, who run the company together. With years of experience and a background in hospitality, they know better than anyone how to offer guests a warm welcome and an unforgettable experience. This close-knit family is dedicated every day to making Wattsup a place where adventure and hospitality come together.