Niels Kolthoff
Level 2
Netherlands
Positive, sportive, and open minded trainer who will help you to improve your mental and physical health.
Instructor Level
Niels Kolthoff is no longer certified
Niels Kolthoff is no longer certified and does not partake in internal trainings or seminars from the Wim Hof organisation. They are not qualified to teach the Wim Hof Method.
Niels Kolthoff
Niels is no longer a Certified Wim Hof Method Instructor
