David Canalejo is currently a consultant of Pediatric Nephrology Unit at Virgen del Rocío Children's Hospital, Seville, Spain.

His main fields of interest are tubulopathies, glomerulopathies, ESKD, dialysis and pediatric transplantation. 

He is involved in several clinical trials in different areas. 

He is a member of two European Reference Networks, ERKNet and Transplant Child. 

He has 11 publications in scientific journals and has written 9 book chapters.