Mr. Teyssédou has worked as Head of finance of Addex since June, 2017 and has extensive experience in the financial management of both private and public companies. Mr. Teyssédou is a French certified public accountant and worked in audit firms where he gained valuable experience related to audit, due diligence, financial regulation and compliance across a diverse client portfolio of startups, small and middle size companies. Mr Teyssédou also holds two master’s degrees in Finance and Management from EM Strasbourg Business School, France.