Jaap is Principal Director of Investment Strategy at PGGM. He is chairman of the Dutch Association of Investors for Sustainable Development (VBDO), of the Advisory Board of the Erasmus Platform for Sustainable Value Creation. He is co-chair of the research committee van ICPM.

Jaap has performed many roles within the field, ranging from fundamental and quantitative analysis to external manager selection and portfolio construction. He joined PGGM in 2005 as Head of Internal Equity Management. In 2006 he was appointed Chief Strategist. Jaap is a member of the NEST (UK) Investment Committee.

Together with prof. Kees Koedijk and prof Alfred Slager, he authored the book Achieving Investment Excellence, a practical guide for Trustees of Pension Funds, Endowments and foundations (2019). He received  his Master’s degree in Finance at the Erasmus Universiteit in Rotterdam.