Geurt studied mathematics and got his PhD (1995) within the field of statistics at TU Delft. After that, he worked as statistics consultant at DLO in Wageningen and (from 1997) assistant- and associate professor at the VU University in Amsterdam. In 2007 he was appointed full professor of statistics at TU Delft. He is former president of the Royal Dutch Mathematical Society and currently chair of Delft Institute of Applied Mathematics. Furthermore, among other things, he is member of the Management Team of Delft Data Science and has been involved in various projects related to weather and climate.