PSIA - AASI Professional Ski Instructors of America - American Association of Snowboard Instructors | 7,157 followers on LinkedIn. Create Lifelong Adventures Through Education | We’re the national association for ski & snowboard instructors. 📚 Delivering world-class snowsports education 📜 Certifying pros since 1961 🌎 Join a passionate, professional community of over 30,000 instructors. #SnowPros PSIA-AASI, the Professional Ski Instructors of America and American Association of Snowboard Instructors, is a nonprofit association dedicated to promoting skiing and snowboarding through instruction. PSIA-AASI has a combined membership of more than 32,500 members.