. ▁ ▁Her ▁Ph D ▁th esis ▁was ▁entitled ▁The ▁Connection ▁Problem ▁for ▁the ▁First ▁and ▁Second ▁P ain lev é ▁Trans c end ents . ▁ ▁Career ▁After ▁a ▁post do ctor al ▁fellow ship ▁in ▁ 1 9 8 7 ▁and ▁a ▁research ▁fellow ship ▁and ▁lect ures hip ▁( 1 9 8 8 – 9 0 ), ▁both ▁at ▁the ▁Australian ▁National ▁University , ▁Jos hi ▁took ▁up ▁a ▁lect ures hip ▁at ▁the ▁University ▁of ▁New ▁South ▁Wales ▁in ▁Sydney ▁( 1 9 9 0 – 9 4 ) ▁and ▁was ▁promoted ▁to ▁senior ▁lect urer ▁in ▁ 1 9 9 4 . ▁In ▁ 1 9 9 7 , ▁she ▁won ▁an ▁Australian ▁Research ▁Council ▁( AR C ) ▁senior ▁research ▁fellow ship , ▁which ▁she ▁took ▁up ▁at ▁the ▁University ▁of ▁Ad ela ide , ▁and ▁became ▁an ▁associate ▁professor / reader ▁at ▁that ▁university ▁a ▁year ▁later . ▁In ▁ 2 0 0 2 ▁she ▁moved ▁to ▁the ▁University ▁of ▁Sydney ▁as ▁Chair ▁of ▁App lied ▁Mathemat ics ; ▁since ▁ 2 0 0 6 ▁she ▁has ▁been ▁director ▁of ▁the ▁Centre ▁for ▁Mathemat ical ▁Bi ology , ▁from ▁ 2 0 0 7 ▁to ▁ 2 0 0 9 ▁head ▁of ▁the ▁School ▁of ▁Mathemat ics ▁and ▁Statistics ▁( associ ate ▁head ▁since ▁ 2 0 1 0 ). ▁ ▁In ▁ 2 0 1 5 , ▁Jos hi ▁co - f ounded ▁and ▁co - cha ired ▁the ▁Science ▁in ▁Australia ▁G ender ▁Equ