All hosts that are advertised on Yakki have achieved one or more qualifications from their respective national systems of the activities they are offering. Each host has completed numerous courses and modules for their licenses such as:
Teaching and technical diplomas for skiing or snowboarding
Membership of UIAGM/IFMGA (International Federation of Mountain Guide Associations)
Each host has to accept the terms, where they declare to be in possession of all certifications, licences and requirements, which are necessary to perform the activities they offer.
You can always contact a host to ask them more about their qualifications.