9 4 ▁to ▁ 1 9 9 8 , ▁he ▁was ▁a ▁Sun ▁Mic ros ystem s ▁Dist ingu ished ▁Engine er . ▁He ▁was ▁h ired ▁to ▁make ▁heavy - d ut y ▁enter prise ▁software ▁easier ▁to ▁use , ▁since ▁large - scale ▁applications ▁had ▁been ▁the ▁focus ▁of ▁most ▁of ▁his ▁projects ▁at ▁the ▁phone ▁company ▁and ▁IBM . ▁But ▁luck ily ▁the ▁job ▁definition ▁of ▁a ▁Dist ingu ished ▁Engine er ▁is ▁" you ' re ▁supposed ▁to ▁be ▁the ▁world ' s ▁leading ▁expert ▁in ▁your ▁field , ▁so ▁you ▁figure ▁out ▁what ▁would ▁be ▁most ▁important ▁for ▁the ▁company ▁for ▁you ▁to ▁work ▁on ." ▁Therefore , ▁Dr . ▁N iel sen ▁ended ▁up ▁sp ending ▁most ▁of ▁his ▁time ▁at ▁Sun ▁defining ▁the ▁emer ging ▁field ▁of ▁web ▁us ability . ▁He ▁was ▁the ▁us ability ▁lead ▁for ▁several ▁design ▁r ounds ▁of ▁Sun ' s ▁website ▁and ▁intr an et ▁( S un Web ), ▁including ▁the ▁original ▁Sun Web ▁design ▁in ▁ 1 9 9 4 . ▁ ▁Other ▁activities ▁N iel sen ▁is ▁on ▁the ▁editor ial ▁board ▁of ▁Morgan ▁Kauf mann ▁Publish ers ' ▁book ▁series ▁in ▁Inter active ▁Techn ologies . ▁ ▁N iel sen ▁writes ▁a ▁fort night ly ▁news letter , ▁Alert box , ▁on ▁web ▁design ▁matters ▁and ▁has ▁published ▁several ▁books ▁on ▁the ▁subject ▁of ▁web ▁design . ▁After ▁his ▁regular ▁articles ▁on ▁his ▁Web ▁site ▁about ▁us ability ▁research ▁attract ed ▁media ▁attention , ▁he ▁co