Stefan Janski is an opera director, he received significant acclaim for his production of which of Handel's opera seria in three acts, first performed in London on 15 April 1738?
Stefan Janski:  He received significant acclaim for his production of Handel's "Xerxes". Serse: Serse (] ; English title: "Xerxes"; HWV 40) is an opera seria in three acts by George Frideric Handel.
Serse