Mario Fäh was the founder of the Swiss etventure subsidiary in Zurich in 2016. In 2021, he was additionally appointed Managing Director of etventure Germany being responsible for the Capabilities UI/UX Design, Performance Marketing & Sales/Growth. At EY Switzerland, he became a partner in 2019 and leads the IXD team (Innovation & Experience Design). As of the 2024 financial year, he handed over the management role in Germany and has since refocused on the further development of the Zurich location.