7 9 , ▁he ▁moved ▁to ▁Japan , ▁where ▁he ▁taught ▁English ▁in ▁a ▁private ▁Tokyo ▁a cademy ▁and ▁imm ers ed ▁himself ▁in ▁Japanese ▁culture ▁and ▁language . ▁ ▁Career ▁ ▁Return ing ▁to ▁the ▁U . S . ▁in ▁ 1 9 8 2 , ▁he ▁found ▁work ▁in ▁the ▁energy ▁industry ▁as ▁a ▁pet role um ▁ge os cient ist ▁and ▁as ▁a ▁transl ator ▁of ▁scientific ▁material ▁( J apan ese ▁to ▁English ). ▁He ▁worked ▁both ▁as ▁an ▁independent ▁consult ing ▁ge ologist ▁and ▁writer / editor , ▁performing ▁contract ▁work ▁for ▁companies , ▁invest ors , ▁energy ▁funds , ▁and ▁other ▁entities . ▁During ▁a ▁st int ▁with ▁Pet role um ▁Information ▁Cor p ., ▁and ▁on ▁a ▁contract ▁basis ▁after ▁leaving ▁the ▁company , ▁he ▁wrote ▁a ▁mon ograph ▁series , ▁Pet role um ▁Front iers , ▁eventually ▁comple ting ▁ 7 4 ▁individual ▁volumes . ▁During ▁a ▁year ▁with ▁International ▁Human ▁Resources ▁Development ▁Cor p . ▁( I HR DC ), ▁he ▁author ed ▁two ▁text books , ▁Struct ural ▁Ge ology ▁and ▁Ex pl oration ▁for ▁Marg inal ▁Marine ▁Sand st ones . ▁ ▁In ▁ 1 9 9 5 , ▁he ▁was ▁selected ▁by ▁the ▁American ▁Association ▁of ▁Pet role um ▁Ge olog ists ▁( A AP G ), ▁the ▁world ' s ▁premier ▁scientific ▁organization ▁of ▁the ▁energy ▁industry , ▁to ▁author ▁a ▁new ▁series ▁of ▁technical ▁papers ▁in ▁the ▁A AP G ▁Bul letin ▁titled ▁" E & P ▁[ Ex