Professor El Nahas qualified as a doctor from Geneva Medical School, Switzerland, before training in London (Royal Postgraduate Medical School), Boston (Massachussetts General Hospital, Harvard Medical School) and Paris. He has been Consultant Nephrologist at the Sheffield Kidney Institute since 1986 and was appointed to the inaugural Chair of Nephrology at the University of Sheffield in 1996. He is a leading international expert in the field of Chronic Kidney Disease (CKD) with major contribution to support the study of CKD in the emerging world. He has in excess of 150 publications on the subject. He sits on a number of national and international nephrology committees including some of the International Society of Nephrology. He was the founding member and chair of International committee of the British Renal Association. He is currently on the editorial board of a number of nephrology journals and is the editor of Nephron Clinical Practice. Dr Levin is a professor of medicine and consultant nephrologist at the University of British Columbia, and St Paul's Hospital, in Vancouver, Canada. She has had a long-standing interest in chronic kidney disease, and optimizing the outcomes of patients with early CKD and CVD. She is an educator and a clinical researcher, and is also involved in administrative aspects of program administration at the government level in British Columbia. She has mentored numerous young investigators, both locally and internationally, and is a member of Canadian and international guideline groups as well as the editorial boards of major kidney journals. In addition, she has over 160 publications in peer reviewed journals.