Tong Liu, Lira Mota and Kerry Siani are among 9 recent hires by the business school.
The micro-economist has been a professorial research fellow at the university since 2017, and was previously a professor at Monash.
Seema Jayachandran takes up a professorship at Princeton after four years at Northwestern.
Ponomarev will join the University of Chicago on July 1 as an assistant professor.