Stephen King is an engineering associate fellow and equipment health management specialist at Rolls-Royce Digital Business. He is also a visiting professor at Cranfield University. He received his Ph.D. in Mathematics and Computer Science from Lancaster University. Andrew Mills is a senior research fellow and program manager for the Rolls-Royce University Technology Center. He received his Ph.D. and M.Eng. in control system engineering from the University of Sheffield. Visakan Kadirkamanathan is a professor of signal and information processing at Cambridge University. He is also the director of the Rolls-Royce University Technology Center for Control and Monitoring Systems Engineering at Sheffield University. He received his Ph.D. in information engineering and his B.A. in electrical and information sciences at Cambridge University. Dave Clifton is an associate professor in the Department of Engineering Science at the University of Oxford and a governing body fellow of Balliol College, Oxford. He is a research fello of the Royal Academy of Engineering and leads the Computational Health Informatics (CHI) laboratory. He received his Ph.D. in information engineering at the University of Oxford