Sietske Van Der Ploeg

Sietske van der Ploeg serves as the Chief Impact Officer at Clean Air Fund since August 2022, where the role focuses on establishing an impact function that facilitates evidence-driven decision-making. Simultaneously, Sietske is a Trustee and safeguarding lead for Five Talents UK. Previously, Sietske held senior leadership positions at Mayor's Fund for London between May 2015 and August 2022, including Director of Strategy and Campaigns and Head of Programmes and Impact, leading strategy, campaigns, and extensive partnership building. Sietske also worked as a Fellow at The RSA from January 2019 to February 2022 and as a strategy consultant at Plan UK. Earlier experience includes serving as Programme Manager at Youth Business International, Regional Projects Officer for Africa at TLMI, and Senior Project Officer at Simavi, managing various NGO projects. Sietske holds a Master of Science in International Relations from the University of Groningen and attended Bayes Business School for further education.