▁in ▁Gene va . ▁In ▁ 1 9 7 9 , ▁he ▁was ▁appointed ▁Ass istant ▁to ▁the ▁President ▁of ▁the ▁United ▁States ▁and ▁White ▁House ▁Staff ▁Director ▁under ▁President ▁Jimmy ▁Carter . ▁▁ ▁He ▁served ▁as ▁President ▁and ▁Vice ▁Chair man ▁of ▁the ▁B end ix ▁Corporation ▁from ▁ 1 9 8 1 ▁to ▁ 1 9 8 3 . ▁In ▁ 1 9 8 1 , ▁he ▁also ▁became ▁a ▁fac ulty ▁member ▁of ▁the ▁Harvard ▁Business ▁School ▁and ▁served ▁as ▁Senior ▁Coun sel or ▁to ▁the ▁Dean ▁until ▁ 1 9 8 7 . ▁ ▁In ▁ 1 9 8 3 , ▁he ▁founded ▁the ▁A venir ▁Group , ▁a ▁private ▁invest ment ▁bank . ▁ ▁He ▁was ▁a ▁member ▁of ▁the ▁Council ▁on ▁Foreign ▁Rel ations , ▁the ▁U . S . ▁Council ▁of ▁the ▁International ▁Chamber ▁of ▁Com merce , ▁the ▁Econom ic ▁Club ▁of ▁New ▁York , ▁the ▁Center ▁for ▁Inter - American ▁Rel ations , ▁the ▁Harvard ▁Business ▁School ▁Club ▁of ▁Gre ater ▁New ▁York ▁and ▁the ▁French - American ▁Foundation . ▁ ▁Phil anth ropy ▁In ▁ 1 9 9 1 , ▁together ▁with ▁Os ▁Gu in ness , ▁he ▁co - f ounded ▁the ▁Tr inity ▁Forum , ▁a ▁Christian ▁non - pro fit ▁organization , ▁where ▁he ▁served ▁as ▁Senior ▁Fellow ▁and ▁Trust ee ▁Emer it us . ▁He ▁don ated ▁to ▁The ▁Fellow ship . ▁▁ ▁He ▁was ▁the ▁founder ▁and ▁Chair man ▁of ▁the ▁Mc Donald ▁A ga pe ▁Foundation .