Simon Dekeyser is Associate Professor of Accounting and Auditing at KU Leuven, where he heads the Accounting Research Group across the Antwerp and Brussels campuses. He earned his PhD in Business Economics from KU Leuven and holds a Master’s and Bachelor’s degree in Applied Economics from the same institution. Simon has served as a visiting scholar at the University of Florida and actively contributes to academic and professional committees within the Faculty of Economics and Business.

His research focuses on audit quality, auditor market structure, and regulatory impacts on financial reporting. He examines topics such as auditor industry specialization, workload allocation in audit firms, and the effects of EU audit reform on multinational companies. Simon has published in leading journals including The Accounting Review, Journal of Accounting Research, Journal of Accounting and Economics, and Contemporary Accounting Research. His work addresses issues like auditor incentives, market power, and audit efficiency, and he regularly collaborates on projects exploring behavioral and economic drivers of audit outcomes.

Simon teaches courses in auditing and financial reporting and supervises doctoral research on audit markets and governance. He is actively involved in research projects funded by European and national bodies, bridging academic insights with policy and practice to improve audit quality and transparency.