Paul S. Addison, PhD is a Technical Fellow, Senior Distinguished Scientist, and Chief Scientist at the Medtronic Patient Monitoring. He received a Doctor of Philosophy degree from the University of Glasgow. His research interests are Biomechanics, Fluid Mechanics, Nonlinear Dynamics, Fluid Responsiveness, Nociception, Cerebral Autoregulation, Ocular Microtremors, Medical Signal Processing, Haemodynamics, Electrocardiography, Time-frequency Analysis.