Jan-Willem Kallewaard, MD, is the head of the Pain Department at Amsterdam Medical Centre and head of the Pain Department at the Rijnstate hospital in Arnhem, The Netherlands. His main interest centers on pain management with a special focus on low back pain. Jan is involved in several clinical trials on discogenic pain evaluating intradiscal Gelstix and neuromodulation and has conducted studies on the effects of intradiscal methylene blue. He has numerous publications related to discogenic low back pain and the effects of nerve stimulation on low back pain. He is the former President of the Dutch Society of Anesthesiologists and the current President of the Society’s Pain Section.