▁of ▁Computer ▁Engineering , ▁University ▁of ▁California , ▁Santa ▁Cruz . ▁ ▁Ob rac z ka ▁obtained ▁her ▁M . S . ▁and ▁Ph . D . ▁in ▁computer ▁science ▁from ▁University ▁of ▁Southern ▁California ▁in ▁ 1 9 8 4 ▁and ▁ 1 9 9 0 ▁respectively . ▁She ▁then ▁got ▁another ▁M . S . ▁in ▁computer ▁engineering ▁in ▁ 1 9 8 7 ▁from ▁the ▁Federal ▁University ▁of ▁Rio ▁de ▁Janeiro ▁in ▁Rio ▁de ▁Janeiro , ▁Brazil . ▁After ▁gradu ation , ▁she ▁remained ▁at ▁US C , ▁working ▁as ▁a ▁research ▁scient ist ▁at ▁its ▁Information ▁Sciences ▁Institute ▁and ▁then ▁joined ▁the ▁US C ' s ▁Department ▁of ▁Computer ▁Science . ▁ ▁She ▁was ▁named ▁Fellow ▁of ▁the ▁Institute ▁of ▁Elect rical ▁and ▁Electron ics ▁Engine ers ▁( IE EE ) ▁in ▁ 2 0 1 4 ▁" for ▁contributions ▁to ▁energy - efficient ▁protocol s ▁and ▁routing ▁in ▁wireless ▁networks ". ▁ ▁References ▁ ▁External ▁links ▁ ▁Category : 2 0 th - century ▁birth s ▁Category : L iving ▁people ▁Category : Univers ity ▁of ▁Southern ▁California ▁al umn i ▁Category : F eder al ▁University ▁of ▁Rio ▁de ▁Janeiro ▁al umn i ▁Category : Univers ity ▁of ▁California , ▁Santa ▁Cruz ▁fac ulty ▁Category : F ellow ▁M embers ▁of ▁the ▁IE EE ▁Category : Year ▁of ▁birth ▁missing ▁( l iving ▁people ) ▁Category : Place ▁of ▁birth ▁missing ▁( l iving ▁people ) <0x0A> </s> ▁The ▁ 2 0 1 6 ▁United ▁States ▁House