ange ▁may ▁mean ▁▁ ▁Charles ▁du ▁F res ne , ▁sie ur ▁du ▁C ange , ▁French ▁phil ologist ▁ ▁Victor ▁Henri ▁Joseph ▁Bra h ain ▁Duc ange , ▁French ▁writer <0x0A> </s> ▁Richard ▁T . ▁Sant ul li ▁( born ▁August ▁ 1 4 , ▁ 1 9 4 4 ), ▁is ▁an ▁American ▁business man . ▁He ▁is ▁the ▁founder ▁and ▁chairman ▁of ▁Mil estone ▁A viation ▁Group , ▁a ▁hel ic opter ▁and ▁business ▁jet ▁le asing ▁company . ▁ ▁He ▁is ▁best ▁known ▁for ▁pione ering ▁the ▁concept ▁of ▁fraction al ▁jet ▁ownership ▁with ▁Net J ets , ▁a ▁company ▁he ▁developed ▁in ▁ 1 9 8 6 . ▁Sant ul li ▁was ▁once ▁considered ▁a ▁possible ▁successor ▁to ▁Warren ▁Buff ett ▁at ▁Ber k shire ▁H ath away . ▁ ▁Early ▁life ▁▁ ▁Richard ▁T . ▁Sant ul li ▁was ▁born ▁in ▁Brook lyn , ▁New ▁York ▁on ▁August ▁ 1 4 , ▁ 1 9 4 4 . ▁Sant ul li ▁studied ▁at ▁the ▁New ▁York ▁University ▁T andon ▁School ▁of ▁Engineering , ▁ear ning ▁B . S . ▁and ▁M . S . ▁degrees ▁in ▁mathematics , ▁as ▁well ▁as ▁a ▁master ' s ▁degree ▁in ▁industrial ▁engineering . ▁ ▁Career ▁▁ ▁Sant ul li ’ s ▁first ▁job ▁after ▁gradu ating ▁was ▁with ▁Sh ell ▁O il ▁Company . ▁ ▁In ▁ 1 9 8 4 , ▁Sant ul li ▁purchased ▁Executive ▁Jet , ▁a ▁char ter ▁service ▁company , ▁as ▁a ▁wh olly ▁owned