Piotr Lewczuk leads the Laboratory for Clinical Neurochemistry and Neurochemical Dementia Diagnostics at the Department of Psychiatry and Psychotherapy, Universitatsklinikum Erlangen. This lab is one of the mostly internationally-recognized, European leading centers for neurochemical diagnosis of dementia. The Laboratory is one of the five world-wide reference centers, together with the laboratories in Goteborg (S), Amsterdam (NL), Ghent (B), and Philadelphia (USA), in the Alzheimer & acutes Association supported project on CSF biomarkers international quality control. He is a member of the Steering Committee of this project. For more than ten years he has been working on diagnostic and research aspects of the CSF, including a large panel of neurologic and psychiatric disorders with a particular scope on neurodegenerating conditions, like Alzheimer & acutes disease. In 2004, he obtained the Certificate of Expertise from the German Society of Clinical Neurochemistry to become one of seventy certified clinical neurochemists in Germany, and currently he is a member of the Extended Board of the German Society of Clinical Neurochemistry.