Specialization
Focus of research
Training:
Medical School 1979 - 1986
Westphälische-Wilhelms-Universität, Münster
Studies abroad 1983 - 1984
Faculté de Médecine, Université de Lille (F)
1985
Univ. of Washington Medical School, Seattle (USA)
Graduation 26 May, 1986
Doctoral thesis 2 july, 1986
"Comparison of three methods for the quantification of
total protein in urine“
Postgraduate training:
1986 – 1987
Department of Pediatrics, Westphälische-Wilhelms-
Universität Münster
1988 – 1993
Department of Pediatrics, Medizinische Hochschule
Hannover
Boards Examination
in Pediatrics 28 july, 1993
Fellowship 1993 – 1998
Clinical nephrology, dialysis and transplantation,
Medizinische Hochschule Hannover (head J. Brodehl)
PhD-Thesis 29 november, 2000
"Serum Cystatin C in children and adolescents - A new marker of kidney function“
Positions held:
1999 - 2001
Consultant pediatric nephrologist, Bonn University Medical center
From 2001
Consultant pediatric nephrologist, Emma Children’s Hospital, Amsterdam University Medical Centers, Amsterdam
Fields of research:
Novel methods for the estimation of renal function
Hypercalciuric tubulopathy / Dent’s disease
Renal side-effects of anti-cancer treatment
Quality control in clinical medicine
Kidney function in Down syndrome
Sulfate metabolism
Memberships:
German Society of Pediatric Nephrology (GPN)
European Society for Pediatric Nephrology (ESPN)
International Pediatric Nephrology Association (IPNA)
American Society of Nephrology (ASN)
Dutch Society of Pediatrics (NVK)
Fellow of the ASN (FASN)
Fellow of the ESPN (FESPN)
Scientific activities
2009
President „Pediatric Nephrology Spring Meeting“,
Amsterdam (Joint conference between the Dutch working
group for pediatric nephrology and the GPN)
2015 - 2021
Member scientific board, Dutch Kidney Foundation
From 2018
Member Data Safety and Monitoring Board LEARNS study
2020/2021
Chairman of the scientific committee of the 53rd Annual Scientific Meeting of the ESPN
2022/2023
Member of the scientific committee of the 55th Annual Scientific Meeting of the ESPN
From 2023
Council member of the ESPN
Extramural teaching
2009 - 2013
Member organizing commitee „Nier op Schier“ – three-day course on pediatric nephrology for general pediatricians
From 2017
Member organizing committee „Spotlight Kindernefrologie“ – one-day course on pediatric nephrology for general pediatricians held once a year
2022 – 2024
Mentor in the IPNA Junior Empowerment and Mentorship Program
Publications (10/2025)
108 original articles, 32 case reports, 41 reviews, 13 letters to the editor, 3 editorials, 11 book chapters.
H-index (Scopus) 48