Guillaume Simon (MSc 2008) is Clinical Research Associate (CRA) in the Clinical Investigation Center (CIC) of Bordeaux Children’s Hospital since 2011. He is the clinical research coordinator (“ARC coordonnateur”) for the Rare Kidney Disease Reference Center (SORARE) of Bordeaux. Guillaume is efficiently involved in most pediatric nephrology studies and trials in which our team participates, he is in charge of the French National Database of Rare Diseases (BaMaRa) for our center (adults and children), and ensures the Standard Operating Procedures and quality management of the pediatric nephrology unit. He is the key contact person for ERKNet research activities including ERKReg.