He was best known for the light designing he did for the Royal Shakespeare Theatre’s 1975 production of Sherlock Holmes for which he won a Tony Award and a Drama Desk Award.
Jampolis went on to win an American Theatre Wing Hewes Design Award in 1982 and three more Tony Award nominations for The Innocents, Black and Blue, and Orpheus Descending.
[5] He also won a Los Angeles Drama Critics Circle Award for lighting Lily Tomlin and Jane Wagner's Signs of Intelligent Life in the Universe.
[6] He was most recently one of the main light designers for the Seattle Opera and a distinguished professor of theatre at UCLA's School of Theatre, Film, and Television.
He also occasionally worked as a stage director and set designer for Seattle Opera.