Karina Nielsen, PhD, (1973-2024), was Professor of Work Psychology at the Institute of Work Psychology, University of Sheffield (2016-2024), and remains widely recognized for developing and testing models for how organizations can design, implement, and evaluate organizational interventions to promote worker wellbeing. She was principal or co-investigator on more than twenty research projects; author of over 140 refereed publications, 40 book chapters and two edited books; and was recognized for her work through multiple awards. She additionally served in positions with the National Research Centre for the Working Environment in Copenhagen (2003-2013) and at the University of East Anglia (2013-2016). Glorian Sorensen, PhD, MPH, is Professor Emerita of Social and Behavioral Sciences at the Harvard T.H. Chan School of Public Health and the Dana-Farber Cancer Institute in Boston, Massachusetts. Her research has contributed to the scientific foundation integrating occupational safety and health with other worksite interventions to promote worker health in the work organization as well as in workers' safety and health behaviors. Sorensen is the Founding Director for the Harvard Center for Work, Health and Well-being, funded since 2007, has published over 250 peer-reviewed journal articles, and has been recognized for her work through multiple awards.

Nadia El-Salanti, with a BA and MSc in Psychology from the University of Copenhagen, is an authorized Expert in Work- and Organizational Psychology. Since 2013, she has been with Novo Nordisk, leading the development and implementation of a global mental well-being and stress prevention strategy. With a strong belief in participatory processes, she aims to translate academia into practical tools and counseling. Previously, she served as head of Global Health & Safety in a large biotech company and worked in a research-based consultancy focusing on occupational health psychology for 10 years. Michael Munch-Hansen holds a Bachelor of Arts (BA) in History of Ideas, and a Master of Science (MSC) in Psychology from Aarhus University, Denmark and has over 30 years of experience as a consultant targeting organizational development, mental health, and health and safety in general. He works as independent occupational psychologist and has collaborated multiple times with the National Research Centre for The Working Environment in Denmark to translate theory into models, tools and processes to be used in participatory organizational interventions. One of many examples of this work is the IGLO-model, a central guiding framework used in this book.