He holds an MA and a PhD in economics from Columbia University, an MSc in Electrical Engineering from the University of California at Berkeley, an MBA from the Cyprus International Institute of Management, and a BSc in Electrical Engineering from the University of Wisconsin at Madison.

Dr Antoniades conducts empirical research in the fields of banking, corporate finance, and real estate economics. His recent work examines the U.S. commercial banking sector's experience during the Great Recession, providing a refined view on the influence of liquidity and real estate risks on credit supply and bank solvency. His papers have been published in the Journal of Financial and Quantitative Analysis and the Journal of Economics and Business. Prior to joining NUS, Dr Antoniades was a central banking economist at the Bank for International Settlements and previously at the European Central Bank. As a central banker, he contributed to policy research on financial intermediation and briefed top-level management – including the President of the ECB and the General Manager of the BIS – on banking-related items in his portfolio. He has also worked in the fields of strategy consulting and artificial intelligence.