Tomson, MA, BM, Bch, DM, FRCP, received his un- dergraduate training at Cambridge and Oxford, UK, and underwent clinical training in Nottingham, Newcastle upon Tyne, and Leicester, UK, before taking up consultant posts at St Barts, Lon- 2014), and Newcastle upon Tyne (2014 2018). He has authored or coauthored 36 book chapters and over 250 journal articles on a wide range of topics including hypertension, CKD, and cardiovascular complications of kid- ney disease. His involvement in guideline development started with the third edition of the Renal Association Clinical Practice Guidelines. He was a member of the group that produced the KDIGO 2012 Management of Blood Pressure in CKD guide- line. He was a Health Foundation Quality Improvement Fellow at the Institute for Healthcare Improvement in Boston from 2003 to 2004, a placement that led to a keen interest in the translation of evidence into reliable practice and in shared decision-making. He was Chair of the UK Renal Registry (2006 2010), president of the Renal Association (2010 2012), and is a current trustee of Kidney Research UK. He retired from clinical practice in 2018 but returned during the COVID-19 pandemic. Travel: Attendance at a London Hatter Institute meeting organized by The Lancet and University College London with arm s length funding from pharmaceutical companies. KDIGO Chairs Michel Jadoul, MD, received his medi- cal degree in 1983 at the Universit Catholique de Louvain (UCLouvain) in Brussels, Belgium. Dr. Jadoul trained in internal medicine and nephrology under the mentorship of Professor Charles van Ypersele de Strihou. He has served as Chair at the Department of Nephrology of the Cliniques Universitaires Saint-Luc since 2003 and is currently a full clinical professor at UCLouvain. 