Sandra was appointed as a member of the Supervisory Board in September 2023. She is currently a member of the supervisory board Coöperatieve Rabobank U.A. and De Lage Landen International B.V. Furthermore, she is a dairy farmer and co-owner of the Addink-Berendsen farm.
Sandra worked for nearly 18 years with accountancy firm Countus, in Zwolle. She has previously served on the supervisory boards of Royal FrieslandCampina N.V., ForFarmers N.V. and Alfa Accountants and Advisors. For four years, she was an ambassador for the industry group Global Dairy Platform.