▁ ▁He ▁was ▁a ▁Rh odes ▁Sch olar ▁and ▁a ▁Fellow ▁of ▁Bal li ol ▁College , ▁Oxford . ▁He ▁also ▁taught ▁at ▁Pr inc eton ▁University , ▁Harvard ▁University ▁( as ▁a ▁G ug gen heim ▁Fellow ), ▁was ▁the ▁founder ▁of ▁the ▁Econom ics ▁Department ▁at ▁B irk beck ▁College ▁( Univers ity ▁of ▁London ) ▁in ▁ 1 9 7 2 . ▁In ▁ 1 9 9 9 – 2 0 0 0 , ▁he ▁was ▁the ▁Dist ingu ished ▁Global ▁Vis iting ▁Professor ▁at ▁the ▁Ha as ▁School ▁of ▁Business , ▁University ▁of ▁California , ▁Ber keley , ▁and ▁in ▁ 2 0 0 3 – 0 4 ▁he ▁was ▁Jo el ▁Stern ▁Vis iting ▁Professor ▁of ▁International ▁Fin ance ▁at ▁Columbia ▁Business ▁School . ▁Port es ▁holds ▁three ▁honor ary ▁doctor ates . ▁ ▁Professor ▁Port es ▁is ▁a ▁Fellow ▁of ▁the ▁E con ometric ▁Society ▁and ▁a ▁Fellow ▁of ▁the ▁British ▁Academy . ▁ ▁He ▁was ▁the ▁longest ▁serving ▁Secretary - General ▁of ▁the ▁Royal ▁Econom ic ▁Society ▁( 1 9 9 2 – 2 0 0 8 ) ▁since ▁John ▁May n ard ▁Ke yn es . ▁He ▁is ▁Co - Ch air man ▁of ▁the ▁Board ▁of ▁Econom ic ▁Policy . ▁He ▁is ▁a ▁member ▁of ▁the ▁Group ▁of ▁Econom ic ▁Policy ▁Ad vis ers ▁to ▁the ▁President ▁of ▁the ▁European ▁Commission . ▁He ▁is ▁the ▁chair ▁of ▁the ▁Ste ering ▁Committee ▁of ▁the ▁Euro 5 0 ▁Group , ▁of ▁the ▁Bell ag io ▁Group