Dr Ferdinand van der Heijden: (M) Associate Professor, MSc (1981) and PhD (1992) – both in Electrical Engineering – from the University of Twente. He is currently affiliated with the Robotics and Mechatronics department’s Medical Applications programme. He conducts his research work at the MIRA Institute for Biomedical Technology and Technical Medicine. Since 2014, he has also been associated with the Netherlands Cancer Institute / Antoni van Leeuwenhoek Hospital. His research interests are in the area of image and video analysis. His work involves specific applications in surgical navigation, medical image analysis and modelling. He is the author of two widely-used textbooks, “Image Based Measurement Systems” and “Classification, Parameter Estimation and State Estimation” (2nd edition published in 2017).