Sryia Iyer, Matt Elliott, Debopam Battacharya and Chris Rauh take up new roles from October 1.
The development economist takes up a professorship at the university from July next year.
Jordan Matsudaira is currently also serving as deputy under secretary at the department.
The micro-economist has been a professorial research fellow at the university since 2017, and was previously a professor at Monash.
The appointment has a five-year term.
She moves to the London-based institution from Middlesex University.
Adrienne Lucas is a development economist specializing in the economics of education and disease.
Andreoni returns to SOAS after previously working as a senior lecturer at the university.
Seema Jayachandran takes up a professorship at Princeton after four years at Northwestern.
The economist takes up one of five new academic posts established to address global challenges framed by the UN Sustainable Development Goals.