▁years . ▁After ▁gradu ating ▁from ▁W ash burn ▁he ▁became ▁an ▁assistant ▁public ▁def ender . ▁Rosen ▁later ▁served ▁as ▁an ▁assistant ▁district ▁att orney ▁in ▁Shaw ne e ▁County , ▁Kansas ▁and ▁eventually ▁took ▁the ▁office ▁of ▁associate ▁general ▁coun sel ▁to ▁the ▁Kansas ▁Sec ur ities ▁Commission ▁before ▁entering ▁the ▁private ▁practice ▁of ▁law ▁in ▁ 1 9 9 0 . ▁ ▁In ▁ 1 9 9 3 ▁Rosen ▁took ▁his ▁first ▁jud ges hip ▁on ▁the ▁District ▁Court ▁for ▁Shaw ne e ▁County . ▁He ▁was ▁appointed ▁Chief ▁Justice ▁to ▁the ▁Kansas ▁Sent encing ▁Commission ▁in ▁July ▁ 2 0 0 2 . ▁During ▁this ▁time ▁Rosen ▁was ▁a ▁member ▁of ▁Koch ▁Crime ▁Commission , ▁lect ured ▁at ▁the ▁Men ninger ▁School ▁of ▁Law ▁and ▁Psych iat ry , ▁ 2 0 0 4 - 2 0 0 5 ▁President ▁of ▁the ▁Sam ▁A . ▁Crow ▁In ns ▁of ▁Court ▁and ▁was ▁appointed ▁to ▁the ▁president ial ▁commission ▁charged ▁with ▁comm emor ating ▁the ▁ 5 0 th ▁anni versary ▁of ▁the ▁Brown ▁v . ▁Board ▁of ▁Education ▁decision . ▁ ▁In ▁ 2 0 0 5 ▁Governor ▁Kath le en ▁Seb el ius ▁appointed ▁Rosen ▁from ▁a ▁field ▁of ▁twelve ▁applic ants ▁to ▁the ▁Kansas ▁Supreme ▁Court ▁to ▁replace ▁Justice ▁Robert ▁G ern on , ▁who ▁died ▁from ▁cancer . ▁He ▁faced ▁his ▁first ▁ret ention ▁vote ▁in ▁the ▁ 2 0 0 8 ▁election . ▁ ▁Awards ▁ ▁Martin ▁Luther ▁King ▁Living ▁the ▁Dream ▁Human itar ian