Hans Kraaijevanger
Hans Kraaijevanger obtained a PhD in mathematics from the University of Leiden in 1986, where he specialized in the numerical solution of differential equations. After extending his academic career with 6 more years in Leiden, Oxford and M.I.T. he joined Shell Rijswijk in 1992, where he stayed for 24 years. In Shell, Hans mainly worked on software-related projects dealing with the mathematical modeling of a wide range of processes relevant to the petroleum industry.