Jens Børglum is an associate professor at Copenhagen University Hospital, Denmark. Jens Børglum initially worked at the Department of Endocrinology & Metabolism, Aarhus University Hospital, Denmark and he defended his PhD on “Differential expression of receptors and enzymes of importance for the development and metabolism of adipose cells” in 1997. He did his MBA studies at Henley Management College, London, UK between 2000 and 2002. In 2005 Jens Børglum entered the field of anaesthetic ultrasound. Jens Børglum has published in several peer-reviewed journals on ultrasound-guided nerve blocks regarding both upper and lower extremity as well as truncal nerve blocks.