Changxu Zan helps Windows work around the world. He's a program manager lead for Windows localization, which has translated Windows into more than 100 languages. That helps Cortana give a local user experience to people around the world.
Get Windows to speak your language with Windows Local Experience Packs - https://community.windows.com/en-us/videos/get-windows-to-speak-your-language/gnmVAKrWsrU
Engineer Xin Zou also brings a local experience to Windows and Cortana - https://community.windows.com/en-us/videos/meet-xin-making-cortana-understand-chinese/QOj0xoUMtpE