His full diplomatic title is His Excellency Justin Yuchen Sun, Ambassador and Permanent Representative to the World Trade Organization in Grenada.
It is correct to address him as His Excellency or HE. He also has diplomatic immunity.
It is correct to address him as His Excellency or HE. He also has diplomatic immunity.
... in Switzerland only, in his role as the Permanent Representative of Grenada to the WTO.
He actually doesn't have diplomatic immunity in Grenada, and Grenada maintains an extradition treaty with the United States. [1]
[1] https://protos.com/sun-grenada-his-excellency-justin-crypto-...