Khaladdin Rzayev, PhD, is a senior lecturer in finance whose research focuses on market microstructure and financial econometrics, including machine learning, with particular interests in high-frequency trading, dark trading, liquidity, and price discovery. His work has been published in leading journals, including the Journal of Financial Economics, Journal of Financial Markets, and Journal of Corporate Finance. He is affiliated with the University of Edinburgh, Koç University, and the London School of Economics.