Patricia Oosterlaak Posted on October 5, 2023 at 9:02 am.Written by Roeland Jongejan Since 2017, I have been working with great pleasure at DSI, and as of 2023, I hold the position of Lead Finance & HR Administrator. In this new challenge, I am responsible for financial administration and have ultimate accountability for accounting, including accounts payable and receivable management. I also handle budgeting and the preparation and verification of various financial reports, all in collaboration with my colleagues at DSI.