▁dis ci ples ▁of ▁Art ur ▁Sch n abel ▁and ▁Alfred ▁Cort ot , ▁and ▁at ▁the ▁Asp en ▁Music ▁Festival ▁with ▁Je ane ane ▁Dow is , ▁former ▁assistant ▁to ▁Ros ina ▁L hé vin ne ▁at ▁the ▁Ju illi ard ▁School . ▁He ▁also ▁purs ued ▁post - grad uate ▁studies ▁in ▁Europe ▁with ▁D mit ri ▁Bash ki rov ▁and ▁Jo aqu ín ▁Ach ú car ro . ▁ ▁Professional ▁career ▁ ▁Since ▁his ▁American ▁debut ▁at ▁the ▁National ▁Gallery ▁of ▁Art ▁in ▁Washington , ▁D . C ., ▁Ger ardo ▁Te isson ni ère ▁has ▁given ▁première ▁performances ▁of ▁music ▁by ▁ 2 0 th - century ▁compos ers ▁such ▁as ▁Pablo ▁Cas als , ▁A aron ▁Cop land , ▁Claude ▁Deb uss y , ▁Alberto ▁G in aster a , ▁Low ell ▁Lie ber mann , ▁D arius ▁Mil ha ud , ▁Ar vo ▁P är t ▁and ▁He itor ▁Villa - L ob os . ▁In ▁ 2 0 0 4 ▁he ▁emb ark ed ▁on ▁a ▁five - rec ital ▁cycle ▁present ing ▁the ▁complete ▁Moz art ▁piano ▁son at as . ▁In ▁ 2 0 0 5 ▁he ▁was ▁invited ▁to ▁perform ▁in ▁Poland ▁in ▁conj unction ▁with ▁comm emor ative ▁events ▁of ▁the ▁ 1 5 0 th ▁anni versary ▁of ▁Ch op in ' s ▁death ▁and ▁the ▁fif teenth ▁Ch op in ▁International ▁P iano ▁Compet ition . ▁ ▁Te isson ni ere ▁is ▁a ▁fac ulty ▁member ▁of ▁the ▁Cleveland ▁Institute