This article records tradition as it has been passed down and reported. Its sources are not yet part of the atlas's verified catalogue.
The Wim Hof Method organisation and instructor certification program Wim Hof founded in the 2000s expanded substantially in the years that followed. By the 2010s it had trained thousands of instructors internationally, carrying the breathing and cold exposure discipline he had developed through his own extreme feats to a scale far beyond what any single practitioner, however capable, could teach in person.
That growth made the method a fixture of the Western wellness and biohacking scene, where structured breathing techniques and deliberate cold exposure had already attracted interest independent of Hof's own athletic feats. His organisation's certification program gave that broader interest a standardized curriculum tracing directly back to one man's decades of personal ice endurance practice.
Alongside that commercial and instructional growth, Hof has volunteered for and cooperated with several university research groups studying his own and his trained students' physiological responses to the method. That cooperation with outside researchers distinguishes his organisation's public profile from a purely commercial wellness brand, placing his founding claims about the method's effects within reach of independent scientific study.