He obtained an MSc and PhD in the applied physics of computer vision, both from Delft University of Technology, The Netherlands. He subsequently worked on robot path planning at Philips Laboratories, NY, producing many patents which led to his shared NYIPLA Inventor of the Year Award in 2005. He has always been keenly interested in geometry and in 1997 learned about geometric algebra, which has become his main research topic. His personal hobbies are playing Go and making Lego designs.