Jan-Willem Visser currently serves as Concerncontroller and Head of Control at HAS Green Academy since March 2020, after previously holding the position of Senior Business Controller there. Prior experience includes serving as Senior Business Controller at Utrecht University’s Faculty of Geosciences from 2019 to 2020, where responsibilities involved supporting departments in financial policy development. From 2012 to 2019, Jan-Willem was Head of the Business Office at UMC Utrecht's Julius Center, engaging in planning and control cycles and financial policy enhancement. Earlier in career stages at VU Amsterdam, Jan-Willem was Head of Finance & Control for the Corporate Real Estate organization and also held the position of Head of Financial Operations for the Faculty of Economics and Business Administration. Educational qualifications include multiple degrees in accounting, controlling, and a completed preparatory course for becoming a registered accountant.