Dietske Simons

Duitske Simons is currently the Head of Impact at The Sanitation and Hygiene Fund since May 2024. Previously, Dietske served as Chair of the Supervisory Board at Joint Impact Model from June 2022 to June 2025 and held various roles at FMO - Dutch entrepreneurial development bank from October 2010 to April 2024, including Director of Finance, Impact and Data, Manager of Impact Measurement and Integrated Reporting, Information Manager, and Manager of Risk Management. Earlier experience includes working as a Risk Management Officer and Credit Analyst while cycling from Ethiopia to South Africa from November 2009 to September 2010, and serving as an Examining Officer/Policy Advisor in Banking Supervision at De Nederlandsche Bank between February 2007 and November 2009. Educational qualifications include an MSc and BASc in Econometrics and Quantitative Finance from Erasmus University Rotterdam and prior studies at Delft University of Technology and Stedelijk Gymnasium Arnhem.