Prestien is an Indian national with more than 13 years of experience at the World Bank Group (WBG). At CAO, his work supports the Front Office, Advisory, and Communications teams.

Before joining CAO, Prestien worked for the Budget and Business Administration, Chennai Support team at the World Bank Chennai, India. He specializes in procurement, short-term contract (STC/STT) policies and procedures of the WBG. He has held leadership roles as a business solutions associate, senior business process assistant, and senior finance assistant for various Vice-Presidential Units at both IBRD and IFC at the WBG.