Consultant at Centre for Rare Diseases at Aarhus University Hospital. Studies syndromes, dysmorphology, genetics, neurodevelopmental disorders and inborn errors of metabolism.
Participates in committee work through Danish Departments of Health and Social Services.

Chair, Danish Medicines Council Standing Committee on Rare Diseases in Children. Responsible for overseeing the evaluation process, assisting in drafting of evaluation reports and presentation of cases to the Danish Medicines Council for decision.

Thus far taken part in evaluation of the following applications: velmanase-alfa in alfamannosidosis, atidarsagene automcel in metachromatic leukodystrophy, vosoritide in achondroplasia, selumetinib in plexiform neurofibromas in NF1, omaveloxolone in Friedreich's ataxia.

Speaks in a variety of settings and teaches with a focus on education of e.g. dentists, ophthalmologists, geneticists and on topics including dysmorphology, craniofacial malformations and inborn errors of metabolism.
Brian Nauheimer Andersen’s work has appeared in Expert Review of Neurotherapeutics, European Journal of Medical Genetics, Frontiers in Neurology, Progress in Pediatric Cardiology and other journals.

Speaks, reads and writes Danish, Swedish and English
Speaks and reads Norwegian and German