Dr. Lei holds a PhD in Finance from McMaster University. He primarily studies corporate finance, behavioural finance, and financial accounting. He teaches courses in corporate finance, investments, financial theory, international finance, and managerial economics.

Dr. Lei is a core faculty member for the MSc program and available to supervise finance MSc students. He currently serves on the Research Excellence and Impact Committee (REIC) of the Goodman School of Business. He served on the Insight Development Grant Adjudication Committee of SSHRC.