Irena Iskra-Golec is a head of the Chair of Organizational Behavior at the University of Social Sciences and Humanities, Faculty in Poznan. There are two main lines of her scientific and educational interests. The first is organizational psychology, organizational stress and its prevention, shift work, ageing at work, and work-non work interface. The second one concerns chronopsychology and focuses on circadian rhythms of cognitive performance and light effects on performance and mood. She is an author of scientific papers published in peer reviewed journals, chapters of books and books. She is a grant holder of EU Marie Curie Fellowship and a member of Marie Curie Alumni Association and of the Working Time Society. Janet Barnes-Farrell is Professor of Psychological Sciences and Director of the Industrial Psychology Applications Center at the University of Connecticut. Dr. Barnes-Farrell's primary fields of expertise include aging and work, the interface between work and other life domains, and the measurement of work performance and work attitudes; her research on these topics has appeared in numerous edited volumes and professional journals. Her current research centers on psychosocial aspects of work and aging and on the process and consequences of work-life balance for workers and organizations, with special emphasis on the work-life concerns of older workers. Philip Bohle is Professor of Work and Health at The University of Sydney. His research focuses primarily on the health effects of work organisation and workplace psychosocial factors. At present, his major research projects concern working hours, work-life conflict and health; the impact of work-related pressure, disorganisation and regulatory failure on health and safety; the health and safety of older workers; the effects of precarious work on health and wellbeing; and the impact of workplace deaths on the victims' families.