2 0 0 0 , ▁and ▁has ▁also ▁recorded ▁with ▁the ▁Empire ▁Br ass ▁and ▁other ▁chamber ▁groups . ▁Prof . ▁Kat zen ▁taught ▁horn ▁at ▁Boston ▁University ▁ ▁and ▁the ▁New ▁England ▁Conserv atory ▁from ▁ 1 9 8 1 – 2 0 0 8 , ▁and ▁at ▁Cal Ar ts ▁from ▁ 2 0 0 0 – 2 0 0 7 . ▁ ▁He ▁has ▁consult ed ▁with ▁the ▁University ▁of ▁California , ▁Ir v ine ▁orch est ral ▁performance ▁program ▁since ▁ 2 0 0 0 , ▁and ▁has ▁performed ▁and ▁recorded ▁with ▁various ▁Los ▁Angeles ▁orch est ras ▁and ▁film ▁stud ios . ▁Among ▁the ▁films ▁in ▁which ▁he ▁has ▁played ▁are ▁" Sch ind ler ' s ▁List ", ▁" E . T . ▁the ▁Ext ra - T err est rial ", ▁" P ear l ▁Har bor ", ▁" Tw ister ", ▁" N ixon ", ▁" S aving ▁Private ▁Ryan " ▁and ▁" J uman ji ". ▁ ▁Pre viously ▁Kat zen ▁held ▁the ▁positions ▁of ▁Four th ▁Horn ▁with ▁the ▁San ▁Diego ▁Sym phony , ▁and ▁Second ▁Horn ▁with ▁the ▁Grant ▁Park ▁Sym phony ▁in ▁Chicago ▁and ▁the ▁Phoenix ▁Sym phony . ▁He ▁also ▁has ▁played ▁with ▁the ▁Chicago ▁Sym phony , ▁Los ▁Angeles ▁Phil harm onic ▁and ▁various ▁orch est ras ▁in ▁Europe ▁and ▁Israel . ▁ ▁In ▁addition ▁to ▁his ▁teaching ▁and ▁performing , ▁he ▁is ▁known ▁for ▁what ▁the ▁Boston ▁Glo be ▁referred ▁to ▁as ▁the ▁" legend ▁of ▁Daniel ▁Kat