born ▁ 5 ▁October ▁ 1 9 9 1 ) ▁is ▁a ▁German ▁b obs led der . ▁He ▁competed ▁in ▁the ▁two - man ▁event ▁at ▁the ▁ 2 0 1 8 ▁Winter ▁Olympics . ▁ ▁References ▁ ▁External ▁links ▁ ▁Category : 1 9 9 1 ▁birth s ▁Category : L iving ▁people ▁Category : G erman ▁male ▁b obs led ders ▁Category : O lymp ic ▁b obs led ders ▁of ▁Germany ▁Category : B obs led ders ▁at ▁the ▁ 2 0 1 8 ▁Winter ▁Olympics ▁Category : S ports people ▁from ▁Dort mund <0x0A> </s> ▁St acy ▁H . ▁Sch ust erman ▁( born ▁c . ▁ 1 9 6 3 ) ▁is ▁an ▁American ▁he ir ess , ▁business w oman ▁and ▁phil anth rop ist . ▁ ▁Sch ust erman ▁served ▁as ▁the ▁chief ▁executive ▁officer ▁of ▁her ▁family ▁business , ▁Sam son ▁Resources , ▁a ▁Tul sa , ▁Oklahoma - based ▁oil ▁and ▁gas ▁company , ▁from ▁ 2 0 0 0 ▁until ▁its ▁$ 7 . 2 ▁billion ▁buy out ▁by ▁K ohl berg ▁Kra vis ▁Roberts ▁in ▁ 2 0 1 1 . ▁She ▁serves ▁as ▁the ▁chair ▁and ▁chief ▁executive ▁officer ▁of ▁Sam son ▁Energy , ▁a ▁deep water ▁dr illing ▁company ▁in ▁the ▁G ulf ▁Coast ▁of ▁the ▁United ▁States . ▁ ▁Sch ust erman ▁is ▁the ▁founder ▁of ▁Gran ite ▁Properties , ▁a ▁Pl ano , ▁Texas - based ▁real ▁estate ▁invest ment ▁company , ▁and ▁Black ▁Cor al ▁Capital