Born in 1953 in Reykjavik, Iceland, Elvar Theodorsson received his M.D. degree in 1978 from the University of Iceland and his license as a specialist in clinical pathology (Clinical chemistry) in 1985. He gained his Ph.D. degree from the Department of Pharmacology, Karolinska Institute, Stockholm in 1983 and became an associate professor at the Karolinska Institute in 1986 and Professor of Neurochemistry at the University of Linkoping in 1995. His main research interests include the neuroendocrinology of regulatory peptides and neurosteroids and applied metrology in Clinical chemistry. http://orcid.org/0000-0003-0756-7723