Lénaïc Teyssédou has served as Head of Finance of Addex since June 2017 and has extensive experience in the financial management of both private and public companies. He is a French certified public accountant and previously worked in audit firms, gaining experience in audit, due diligence, financial regulation and compliance across a diverse client portfolio of startups and small- and mid-size companies. He holds two master's degrees in Finance and Management from EM Strasbourg Business School, France. He was the highest-paid member of Executive Management in FY2025.