▁( S UN Y ). ▁ ▁At ▁S UN Y - Up state ▁in ▁Sy rac use , ▁he ▁substantial ly ▁expanded ▁its ▁trans plant ▁program . ▁ ▁In ▁ 2 0 1 7 , ▁he ▁was ▁appointed ▁the ▁Clar ence ▁Dennis ▁Professor ▁and ▁Chair man ▁of ▁the ▁Department ▁of ▁S urg ery ▁at ▁S UN Y - Down state ▁in ▁Brook lyn . ▁ ▁There , ▁he ▁performed ▁the ▁first ▁kid ney ▁after ▁int est inal ▁trans plant ▁from ▁two ▁different ▁living ▁don ors ▁and ▁described ▁the ▁use ▁of ▁continuous ▁real - time ▁ul tr ason ography ▁and ▁Do pp ler ▁study ▁during ▁is let ▁inf usion ▁into ▁the ▁li ver . ▁ ▁Hon ors ▁and ▁scholar ly ▁achiev ements ▁Gru ess ner ▁has ▁edited ▁three ▁standard ▁text books ▁including ▁Trans plant ation ▁of ▁the ▁Pan cre as ▁and ▁Living ▁Don or ▁Organ ▁Trans plant ation . ▁He ▁has ▁author ed ▁or ▁co - author ed ▁more ▁than ▁ 3 0 0 ▁peer - review ed ▁publications ▁and ▁over ▁ 1 0 0 ▁book ▁chap ters . ▁He ▁s its ▁on ▁various ▁editor ial ▁bo ards ▁of ▁surg ical ▁and ▁trans plant ▁journ als ▁and ▁has ▁served ▁on ▁many ▁national ▁comm itte es ▁and ▁professional ▁soci eties . ▁ ▁Gru ess ner ▁received ▁the ▁In nov ation ▁Award ▁of ▁the ▁University ▁of ▁Arizona ▁in ▁ 2 0 0 9 , ▁the ▁Di ab etes ▁C ure ▁Award ▁of ▁the ▁American ▁Di ab etes ▁Association ▁( A rizona ▁chapter ) ▁in ▁ 2