, ▁a ▁Boston , ▁Massachusetts - based ▁clean ▁technology ▁invest ment ▁firm . ▁ ▁Sch ust erman ▁supports ▁Jewish ▁causes ▁in ▁the ▁United ▁States ▁and ▁Israel . ▁ ▁Early ▁life ▁St acy ▁H . ▁Sch ust erman ▁was ▁born ▁circa ▁ 1 9 6 3 . ▁Her ▁father , ▁Charles ▁Sch ust erman , ▁was ▁an ▁oil man ▁and ▁phil anth rop ist . ▁Her ▁mother , ▁Lyn n ▁Sch ust erman , ▁is ▁a ▁billion aire ▁phil anth rop ist . ▁She ▁has ▁two ▁brothers , ▁Jay ▁and ▁Hal , ▁who ▁live ▁in ▁Israel . ▁ ▁Sch ust erman ▁studied ▁in ▁Israel ▁in ▁ 1 9 8 3 . ▁She ▁returned ▁to ▁the ▁United ▁States ▁and ▁eventually ▁graduated ▁from ▁Y ale ▁University ▁in ▁ 1 9 8 5 . ▁She ▁received ▁a ▁master ▁in ▁business ▁administration ▁from ▁the ▁Mc Com bs ▁School ▁of ▁Business ▁at ▁the ▁University ▁of ▁Texas ▁at ▁Austin . ▁ ▁Business ▁career ▁Sch ust erman ▁started ▁her ▁career ▁at ▁her ▁father ' s ▁oil ▁and ▁gas ▁company , ▁Sam son ▁Resources . ▁She ▁served ▁as ▁its ▁chief ▁executive ▁officer ▁from ▁ 2 0 0 0 ▁to ▁ 2 0 1 1 , ▁when ▁she ▁sold ▁it ▁to ▁K ohl berg ▁Kra vis ▁Roberts ▁for ▁$ 7 . 2 ▁billion . ▁During ▁her ▁ten ure ▁as ▁CE O , ▁Sch ust erman ▁switched ▁the ▁company ▁invest ments ▁from ▁clean ▁gas ▁to ▁oil , ▁sh ale ▁gas ▁and ▁tight ▁gas . ▁ ▁After ▁the ▁buy out , ▁Sch ust erman ▁founded