▁America ). ▁After ▁five ▁years , ▁he ▁then ▁joined ▁Well f le et ▁Communic ations , ▁which ▁merged ▁with ▁Syn Opt ics ▁to ▁become ▁Bay ▁Network s , ▁followed ▁by ▁a ▁brief ▁ten ure ▁at ▁As c end ▁Communic ations , ▁before ▁joining ▁C is co , ▁in ▁ 1 9 9 7 . ▁ ▁At ▁C is co , ▁Rob b ins ▁filled ▁various ▁posts , ▁including ▁senior ▁vice ▁president ▁of ▁the ▁Amer icas ▁and ▁senior ▁vice ▁president ▁of ▁World wide ▁Field ▁Oper ations , ▁a ▁role ▁in ▁which ▁he ▁led ▁C is co ' s ▁World wide ▁Sales ▁and ▁Part ner ▁Organ izations , ▁and ▁built ▁out ▁C is co ' s ▁partners hip ▁program . ▁ ▁In ▁May ▁ 2 0 1 5 , ▁C is co ▁announced ▁that ▁the ▁CE O ▁and ▁chairman ▁John ▁Ch amb ers ▁would ▁step ▁down ▁as ▁CE O ▁in ▁July ▁ 2 0 1 5 , ▁while ▁remaining ▁as ▁chairman . ▁Rob b ins , ▁then ▁a ▁senior ▁vice ▁president , ▁was ▁named ▁as ▁his ▁successor . ▁M ent ored ▁by ▁Ch amb ers ; ▁ ▁Rob b ins ▁was ▁un anim ously ▁voted ▁in ▁as ▁the ▁company ' s ▁new ▁chief ▁executive , ▁becoming ▁CE O ▁of ▁C is co ▁Systems ▁in ▁July ▁ 2 0 1 5 . ▁ ▁As ▁CE O , ▁Rob b ins ▁became ▁noted ▁for ▁acceler ating ▁the ▁pace ▁of ▁C is co ' s ▁modern ▁growth , ▁while ▁dis rupt ing ▁out dated ▁working ▁modes ; ▁prom