▁Doug ▁P fe iffer , ▁Don ▁Rh ine hart , ▁Max ▁Der c um , ▁and ▁Curt ▁Ch ase . ▁By ▁ 1 9 6 4 , ▁a ▁truly ▁American ▁ski ▁technique ▁had ▁taken ▁shape , ▁described ▁in ▁P SI A ’ s ▁first ▁manual , ▁The ▁Official ▁American ▁Ski ▁Te chni que . ▁The ▁American ▁Ski ▁Te chni que ▁evol ved ▁into ▁the ▁American ▁Te aching ▁Method ▁and ▁finally ▁to ▁what ▁is ▁currently ▁called ▁the ▁American ▁Te aching ▁System . ▁ ▁With ▁the ▁growing ▁popular ity ▁of ▁snow board ing ▁in ▁the ▁ 1 9 8 0 s , ▁P SI A ▁saw ▁the ▁need ▁to ▁do ▁for ▁snow board ▁instruction ▁what ▁it ▁had ▁done ▁for ▁ski ▁instruction , ▁and ▁thus ▁began ▁developing ▁snow board ▁instruction ▁material . ▁The ▁first ▁training ▁and ▁education ▁programs ▁were ▁developed ▁in ▁ 1 9 8 7 , ▁and ▁in ▁ 1 9 8 9 ▁the ▁association ▁published ▁its ▁first ▁snow board - orient ed ▁education ▁resource , ▁the ▁Snow board ▁Ski ▁Inst ruction ▁Man ual . ▁Emb rac ing ▁the ▁full ▁scope ▁of ▁how ▁snow board ing ▁fit ▁within ▁its ▁educational ▁ten ets , ▁P SI A ▁formed ▁A AS I ▁in ▁ 1 9 9 7 . ▁Ful ly ▁committed ▁to ▁sharing ▁the ▁passion ▁of ▁the ▁ski ing ▁and ▁r iding ▁experience , ▁the ▁organization ▁is ▁now ▁known ▁as ▁P SI A - A AS I . ▁ ▁See ▁also ▁ ▁Ski ing ▁and ▁ski ing ▁topics ▁Snow board ing ▁National ▁Sports ▁Center ▁for ▁the