Martin Olsthoorn is a seasoned professional with extensive experience in research and investment. Currently serving as Programmaleider and Researcher at the Sociaal en Cultureel Planbureau since March 2015, Martin focuses on research that informs academics and policymakers, specifically analyzing government spending and revenue distribution. Prior to this role, Martin was the Chief Investment Officer at Xerxes Investment from January 2014 to January 2016, where responsibilities included managing a diverse investment portfolio. Martin holds a Master of Science in Sociology from the University of Amsterdam, where a significant part of academic work involved a PhD candidacy from January 2011 to January 2015. Additional experience includes editorial and treasurer responsibilities at Blind and consulting work at Q-talent, where Martin contributed to projects in healthcare administration and quality control systems.