▁Australia . ▁ ▁Israel ▁Following ▁his ▁em igration ▁in ▁ 1 9 7 9 , T ap o oh i ▁joined ▁the ▁aud iting ▁firm ▁Lub osh itz - K as ier er ▁& ▁Co . ▁In ▁ 1 9 8 1 , ▁T ap o oh i ▁was ▁accepted ▁to ▁the ▁Institute ▁of ▁Cert ified ▁Public ▁Account ants ▁in ▁Israel . ▁ ▁Three ▁years ▁later , ▁he ▁was ▁appointed ▁chief ▁financial ▁officer ▁and ▁company ▁secretary ▁of ▁P ione er ▁Israel ▁– ▁one ▁of ▁the ▁country ' s ▁ 1 0 0 ▁largest ▁companies ▁– ▁operator ▁of ▁concrete ▁plants , ▁quar ries , ▁as ph alt ▁plants ▁and ▁vehicles ▁to ▁transport ▁raw ▁materials ▁for ▁construction . ▁T ap o oh i ▁was ▁also ▁involved ▁in ▁the ▁activities ▁of ▁the ▁parent ▁company , ▁P ione er ▁International , ▁dealing ▁with ▁international ▁finan cing , ▁divid end ▁planning , ▁and ▁ac quisition ▁of ▁business es , ▁particularly ▁during ▁the ▁priv at ization ▁process ▁in ▁Eastern ▁Europe . ▁ ▁In ▁ 1 9 9 6 , ▁T ap o oh i ▁was ▁named ▁chairman ▁of ▁the ▁board ▁Africa - Is rael ▁In vest ments ▁Ltd . ▁and , ▁in ▁ 1 9 9 7 , ▁was ▁appointed ▁executive ▁chairman ▁of ▁the ▁board ▁of ▁Be ze q ▁, ▁a ▁position ▁he ▁retained ▁until ▁July ▁ 2 0 0 0 . ▁During ▁his ▁ten ure ▁at ▁Be ze q , ▁Israel ' s ▁largest ▁communic ations ▁provider , ▁and , ▁at ▁the ▁time , ▁the ▁country ' s