Question: Facts:   - imagesize: 200px    - native name lang: zh-cn    - native name: 崔天凯    - party: communist party of china    - predecessor: zhang yesui    - office: chinese ambassador to the united states      - term start: april , 2013    - birth date: october 1952    - name: cui tiankai    - nationality: chinese    - birth place: shanghai    - alma mater: east china normal university johns hopkins university   Based on these bullet points, write a short biography describing the life of cui tiankai .
Answer:
cui tiankai is a chinese diplomat and currently the chinese ambassador to the united states .