2024 till now. Tian got his Ph.D. from Kavli-IPMU, Tokyo University. His main research interests include proper motion measurements, luminosity function of white dwarfs and binary stars:
https://ui.adsabs.harvard.edu/abs/2021MNRAS.501.5149Q/abstract

Name of Research Group :Milky Way Science

Description of Research Group :dark matter, streams and substructures, binary stars