▁functional ▁theory ▁using ▁mixed ▁quantum ▁mechanical / m ole cular ▁mechanical ▁methods . ▁She ▁is ▁an ▁associate ▁editor ▁of ▁the ▁American ▁Chem ical ▁Society ▁Journal ▁of ▁Chem ical ▁Theory ▁and ▁Comput ation ▁and ▁a ▁fellow ▁of ▁the ▁American ▁Association ▁for ▁the ▁Ad van cement ▁of ▁Science . ▁ ▁Early ▁life ▁and ▁education ▁ ▁Rö eth lis berger ▁was ▁born ▁in ▁Sol oth urn . ▁She ▁studied ▁physical ▁chem istry ▁at ▁the ▁University ▁of ▁Bern . ▁She ▁earned ▁her ▁di pl oma ▁under ▁the ▁super vision ▁of ▁Ernst ▁Sch um acher ▁in ▁ 1 9 8 8 . ▁She ▁joined ▁IBM ▁Research ▁– ▁Zur ich ▁as ▁a ▁doctor al ▁student ▁with ▁W anda ▁Andre oni . ▁Her ▁th esis ▁was ▁completed ▁in ▁collaboration ▁with ▁She ▁worked ▁in ▁IBM ▁Zur ich ▁as ▁a ▁post doc ▁from ▁until ▁ 1 9 9 2 . ▁Rö eth lis berger ▁moved ▁to ▁the ▁University ▁of ▁Pennsylvania ▁to ▁work ▁with ▁Michael ▁L . ▁Klein . ▁In ▁ 1 9 9 5 ▁she ▁moved ▁to ▁Germany ▁and ▁joined ▁the ▁labor atory ▁of ▁M iche le ▁Par rin ello ▁at ▁the ▁Max ▁Plan ck ▁Institute ▁for ▁Sol id ▁State ▁Research . ▁T ogether ▁they ▁used ▁the ▁Car - Par rin ello ▁method ▁to ▁study ▁nan osc ale ▁clusters ▁of ▁sil icon . ▁ ▁Research ▁and ▁career ▁ ▁Rö eth lis berger ▁was ▁appointed ▁assistant ▁professor ▁at ▁E TH ▁Zur ich ▁in ▁ 1 9 9 6 . ▁She ▁was ▁the ▁first ▁woman ▁to ▁win ▁the ▁Swiss ▁Federal ▁Institute ▁of ▁Technology ▁at