▁design ▁for ▁the ▁Say bro ok ▁Gr adu ate ▁School . ▁ ▁In ▁ 1 9 9 6 , ▁he ▁published ▁' Des ign ing ▁Social ▁Systems ▁in ▁a ▁Ch anging ▁World ' ▁which ▁included ▁a ▁diagram ▁for ▁' d iver gence - con ver gence ▁model ' ▁which ▁was ▁later ▁interpreted ▁by ▁the ▁UK ' s ▁Design ▁Council ▁as ▁The ▁Double ▁Diam ond ▁Process ▁Model . ▁ ▁International ▁Systems ▁Institute ▁▁ ▁In ▁ 1 9 8 1 , ▁he ▁founded ▁the ▁International ▁Systems ▁Institute ▁( IS I ), ▁a ▁non - pro fit , ▁public ▁benefit ▁scientific ▁and ▁educational ▁corpor ation ▁in ▁Car mel , ▁California , ▁USA . ▁He ▁organized ▁its ▁first ▁meeting ▁at ▁F usch l ▁am ▁See , ▁Austria ▁in ▁ 1 9 8 2 . ▁ ▁Ban ath y ▁introduced ▁a ▁unique ▁and ▁never - before ▁used ▁approach ▁to ▁organ izing ▁the ▁International ▁Systems ▁Institute ▁con ferences . ▁Ban ath y ▁observed ▁that ▁in ▁traditional ▁con ferences , ▁a ▁few ▁usually ▁well - res pected ▁or ▁pr estig ious ▁individuals ▁would ▁apply ▁to ▁present ▁" pre - pack aged ▁new ▁ideas " ▁to ▁others . ▁In ▁typical ▁con ferences , ▁present ing ▁almost ▁always ▁car ries ▁more ▁prest ige ▁than ▁listening ; ▁the ▁few ▁present ers ▁share ▁their ▁wisdom ▁with ▁the ▁many . ▁This ▁one - to - many ▁or ▁" h ier arch ical ▁knowledge ▁distribution ▁system " ▁slow ed ▁the ▁sharing ▁and ▁spread ing ▁of ▁ideas ▁about ▁which ▁many ▁people ▁c ared ▁deeply ▁if ▁not ▁passion