Tong Geng is an experienced data scientist and research professional with a strong background in economics. With a Doctor of Philosophy (PhD) from Columbia University and additional training at the University of Chicago, Tong has held significant positions including Staff Data Scientist and Team Lead at Google, as well as Staff Research Scientist and Senior Research Scientist at JD.COM. Tong’s early career involved contributions as a Teaching Assistant at Columbia University and co-founding E-Cubed USA, showcasing a blend of academic and practical expertise in data science and research.