Serge Claus was elected President of HR Vaud, the human resources association of the canton of Vaud, in March 2021, succeeding Jérôme Rudaz. From October 2015 he worked at OTP (Organisation & Training Partners SA), where he was responsible for activities in French-speaking Switzerland.
He was a panellist at the 7th Mare Forum Geneva and the 8th Mare Forum Geneva 2025.