Madam Ya Zhou was a foreign envoy to MACUSA in 1926 (WFT).
When Newt Scamander was brought to MACUSA, Madam Ya Zhou asked him which of his escaped creatures killed Senator Shaw (WFT).
Madam Ya Zhou
Dates fl. c. 1926
Species / Race Witch
Blood Status Unknown
First Introduced WFT: Fantastic Beast and Where to Find Them (film)
According to Google Translate, "ya zhou" is Chinese for "Asia".