Mark Wiggins is Professor of Organisational Psychology and Deputy Director of the Centre for Elite Performance, Expertise and Training at Macquarie University, Sydney, Australia. He graduated with a PhD in Psychology in 2001 from the University of Otago and his research interests lie in understanding, assessing, and improving operators' capacity to interpret and respond to changes in complex systems. He has published in both academic and industry journals, and has acted as an advisor to the United States Federal Aviation Administration, the Australian Civil Aviation Safety Authority, the Australian Transport Safety Bureau, TransGrid, Powerlink, and Parsons Brinckerhoff. Thomas Loveday is a Registered Psychologist in New South Wales and a member of the Human Factors and Ergonomic Society. He is currently employed as a post-doctoral researcher within the Centre for Elite Performance, Expertise and Training (CEPET) at Macquarie University and as a Human Factors Specialist at the Clinical Excellence Commission, NSW Health. Thomas has a number of publications investigating the relationship between expertise, decision-making, and interface cues in high-risk, high reliability industries like power distribution, anaesthesia, and aviation. He was recently one of the recipients of a research grant from the Australian and New Zealand College of Anaesthetists. He has also consulted on interface design evaluations for the banking industry, next-generation air-traffic control systems, and rail-control interfaces.