Mr Nicolas Gaertner is Finance lead ad interim since 15 January 2026. Before taking on this role, he was Deputy CFO for the Proximus Group, a position he has held since 2022. Prior to joining Proximus, he was Managing Director, e-Commerce at the Telegraph Media Group in London. He also held several senior Finance roles at Yahoo! in both Switzerland and the UK and prior to that worked as a consultant for McKinsey.

He holds a bachelor’s degree in electrical engineering from McGill University, as well as a Masters in Business Administration from London Business School.

Leadership squad members