His research is in the field of diabetic kidney disease, lipid disorders, and rare kidney diseases with a future focus on maintenance or restoration of kidney health. He has published more than 950 pubmed referenced scientific papers and articles (Hirsch Index web of science 108, google scholar 143). He has been principal investigator of the 4D study and a steering committee member of the SHARP, the Empagliflozin studies and the FIND CKD study aiming in improving the management of cardiovascular and kidney disease progression and treatment of kidney failure by dialysis.