ical ▁head ▁injury ▁unit ▁as ▁well ▁as ▁a ▁consult ant ▁for ▁the ▁V eter ans ▁Administration ▁Hospital , ▁and ▁the ▁U HS ▁Chen ango ▁Memorial ▁Hospital ▁in ▁Nor wich , ▁New ▁York . ▁ ▁In ▁ 1 9 7 7 , ▁R acz ▁joined ▁the ▁then - new ▁Texas ▁Te ch ▁University ▁Health ▁Sciences ▁Center ▁( TT U H SC ) ▁and ▁was ▁designated ▁as ▁the ▁Center ' s ▁first ▁Chair man ▁of ▁An est h esi ology . ▁He ▁held ▁that ▁position ▁until ▁March ▁ 1 , ▁ 1 9 9 9 . ▁His ▁work ▁from ▁ 1 9 7 7 ▁to ▁ 2 0 0 6 ▁not ▁only ▁included ▁tre ating ▁patients , ▁he ▁also ▁served ▁as ▁acting ▁director ▁of ▁pain ▁services ▁at ▁T T U H SC , ▁and ▁o vers aw ▁the ▁expansion ▁of ▁operations ▁and ▁future ▁development ▁of ▁the ▁Mess er - R acz ▁International ▁P ain ▁Center ▁named ▁in ▁recognition ▁of ▁R acz ' s ▁work ▁and ▁the ▁Mess er ▁family ' s ▁financial ▁contributions . ▁In ▁ 2 0 1 5 , ▁R acz ▁held ▁the ▁design ation ▁of ▁Professor ▁and ▁Chair man ▁Emer it us , ▁Director ▁of ▁P ain ▁Services ▁for ▁Texas ▁Te ch ▁University ▁Health ▁Sciences ▁Center . ▁ ▁Through out ▁his ▁career , ▁R acz ▁has ▁also ▁conducted ▁research ▁and ▁co - author ed ▁articles ▁with ▁other ▁exper ts ▁in ▁pain ▁management ▁to ▁improve ▁diagn osis ▁and ▁treatment ▁of ▁complex ▁regional ▁pain ▁synd rom es ▁( CR PS ), ▁a ▁long -