Peter J. Blankestijn worked as a nephrologist at the department of Nephrology and Hypertension of the University Medical Center Utrecht, the Netherlands. He was principal investigator of several multicenter studies, including SMASH, MASTERPLAN, CONTRAST, SYMPATHY and CONVINCE. He received multiple grants of (inter)national funding agencies as well as of pharmaceutical, dialysis and medical devices industries.

He acquired a large grant in the HORIZON 2020 program of the European Commission as chair of the CONVINCE consortium. He is (co)author of approximately 380 papers in peer reviewed scientific medical journals. Since 2017/2018, he is active on a national and international level in creating awareness for the interaction between climate change/environmental pollution and health/disease. He has been a speaker on various medical subjects also including the environmental impact of health care in many meetings all over the globe both in the medical field but also in the non-medical field, including policy makers, members of the European Parliament and others.