▁founded ▁the ▁startup ▁company ▁Vo como ▁Software ▁in ▁Cu pert ino , ▁California ▁in ▁ 2 0 0 1 . ▁The ▁company ' s ▁Vo ice XML ▁technology ▁and ▁support ▁staff ▁were ▁acquired ▁by ▁V ox e o ▁in ▁ 2 0 0 5 . ▁In ▁addition ▁to ▁IBM , ▁L ange ▁has ▁worked ▁on ▁machine ▁learning ▁for ▁several ▁companies , ▁including ▁Microsoft , ▁Amazon ▁Web ▁Services ▁( A WS ), ▁a ▁subs idi ary ▁of ▁Amazon , ▁and ▁U ber . ▁He ▁was ▁principal ▁architect ▁at ▁Microsoft ' s ▁Start up ▁Business ▁Group , ▁as ▁of ▁ 2 0 1 0 . ▁During ▁his ▁nearly ▁two ▁years ▁at ▁AWS , ▁he ▁managed ▁the ▁cloud ▁computing ▁provider ' s ▁internal ▁machine ▁learning ▁platform . ▁He ▁also ▁lead ▁the ▁launch ▁of ▁the ▁Amazon ▁Machine ▁Learning ▁product ▁in ▁his ▁role ▁as ▁general ▁manager . ▁ ▁L ange ▁led ▁U ber ' s ▁machine ▁learning ▁team ▁for ▁more ▁than ▁a ▁year , ▁serving ▁in ▁the ▁role ▁of ▁Head ▁of ▁Machine ▁Learning ▁starting ▁in ▁ 2 0 1 5 . ▁He ▁managed ▁developers ▁in ▁San ▁Francisco ▁and ▁Seattle , ▁and ▁also ▁worked ▁within ▁the ▁company ' s ▁autonom ous ▁car ▁division . ▁He ▁has ▁served ▁as ▁Unity ▁Techn ologies ' ▁vice - pres ident ▁of ▁artificial ▁intelligence ▁and ▁machine ▁learning ▁since ▁late ▁ 2 0 1 6 , ▁where ▁he ▁leads ▁all ▁efforts ▁connected ▁to ▁the ▁company ' s ▁activities ▁in ▁these ▁areas . ▁In ▁this ▁role , ▁he ▁works ▁on ▁artificial ▁intelligence ▁and ▁machine ▁learning ▁for