Dr Stephan Kemp is an Associate Professor at the Amsterdam University Medical Centers (location AMC), University of Amsterdam, the Netherlands. He was trained as a translational researcher at Johns Hopkins University/ Kennedy Krieger Institute, Baltimore, Maryland, USA and obtained his PhD in 1999 at the University of Amsterdam. Dr Kemp has more >20 years of experience with adrenoleukodystrophy research and published >80 papers and book chapters on adrenoleukodystrophy. In 1999, together with Dr. Hugo Moser, he initiated the ALD database (www.x-ald.nl), which moved to www.adrenoleukodystrophy.info in 2017. He is scientific adviser of the Dutch ALD patient organisation and the Stop ALD Foundation, member of the scientific board of the European Leukodystrophy Association (ELA) and a member of the board of directors of ALD Connect. Dr Kemp is the project leader of the SCAN study; the pilot for implementing ALD newborn screening in the Netherlands. In 2015, he received the AMC Societal Impact Award (ASIA). His research focuses on lipid metabolism and neurotoxicity.