th ose ▁whose ▁borders ▁are ▁crossed ▁by ▁the ▁park ' s ▁boundaries ) ▁and ▁a ▁further ▁eight ▁are ▁appointed ▁through ▁Local ▁Coun c ils ▁to ▁represent ▁the ▁remaining ▁ 2 7 ▁London ▁Bor ough s . ▁ ▁M embers ▁are ▁elected ▁for ▁a ▁term ▁of ▁appointment ▁of ▁four ▁years ▁and ▁continue ▁in ▁office ▁for ▁that ▁period ▁unless ▁they ▁res ign ▁or ▁ce ase ▁to ▁be ▁a ▁coun c ill or . ▁ ▁The ▁Author ity ▁is ▁over seen ▁by ▁an ▁Executive ▁Committee ▁who ▁assist ▁the ▁decision ▁making ▁processes ▁of ▁the ▁board . ▁The ▁six ▁person ▁Executive ▁Committee ▁represents ▁the ▁diverse ▁political ▁and ▁ge ographic ▁background s ▁of ▁the ▁board , ▁with ▁half ▁the ▁members ▁from ▁London ’ s ▁ 3 3 ▁bor ough s ▁and ▁half ▁from ▁Es sex ▁and ▁H ert ford shire . ▁ ▁Fin ance ▁ ▁The ▁park ▁authority ▁is ▁in ▁part ▁fund ed ▁by ▁a ▁le vy ▁( not ▁a ▁pre cept ) ▁on ▁Council ▁Tax ▁b ills ▁in ▁Es sex , ▁Gre ater ▁London ▁and ▁H ert ford shire . ▁ ▁London ▁ 2 0 1 2 ▁Olympics ▁and ▁London ▁ 2 0 1 2 ▁Par al ym p ics ▁ ▁Lee ▁Valley ▁Regional ▁Park ▁Author ity ▁own ▁three ▁London ▁ 2 0 1 2 ▁Olympic ▁ven ues ▁– ▁Lee ▁Valley ▁White ▁Water ▁Centre ▁in ▁W alth am ▁Cross , ▁H ert ford shire ▁and ▁Lee ▁Valley ▁V elo P ark ▁and ▁Lee ▁Valley ▁Hockey ▁and ▁Tennis ▁Centre , ▁both ▁of ▁which ▁are ▁located ▁on ▁Queen ▁Elizabeth ▁Olympic