Johannes JM van Delden (1960) is full professor of medical ethics at the Julius Center for Health Sciences of the medical school of Utrecht University. Ever since working as a house officer at an intensive care ward he is highly interested in medical ethics. He wrote a thesis on the medical and ethical aspects of Do Not Resuscitate orders. Also, he was one of the principal researchers of the study of medical decisions concerning the end of life for the Remmelink committee. After his education as a nursing home physician he has worked in several nursing homes for 15 years (until May 2011). His special fields of interest are: research ethics, moral problems at the end of life and moral problems in the care for the elderly.