Llewellyn van Zyl (PhD) is currently an assistant professor of work and organizational psychology at the University of Eindhoven in the Netherlands. He also holds an extraordinary professorship in Industrial Psychology with the Optentia Research Focus Area at the North-West University. Academically, he has completed a Doctorate degree in the field of Industrial Psychology, specializing in the development and evaluation of Positive Psychological Interventions aimed at increasing happiness. He also holds a Master of Commerce, an Honours and a Bachelor's degree in Industrial Psychology, which were obtained from the North-West University (cum laude) at the top of his class. These qualifications provided him with a means to register with the Health Professions Council of South Africa as a psychologist (cat: industrial). Professionally, Llewellyn is a respected researcher and published author of various scientific articles and specialist books. Within the scientific community he is known for his academic work as Associate Editor of the South African Journal of Industrial Psychology as well as his work on the editorial board of the Journal of Leadership and Organizational studies. Llewellyn has extensive experience within the tertiary educational environment (as a lecturer and researcher), as well as within the private and public sectors (as a consultant). Llewellyn has a passion for Online Positive Psychological Interventions aimed at talent development and consumer behaviour. As of 1 January 2017, Llewellyn holds the ranking as a C2 rated researcher with the National Research Foundation within South Africa.

Sebastiaan Rothmann (Ph.D) is a professor in Industrial/Organisational Psychology at the North-West University (Vanderbijlpark Campus) and the Director of the Optentia Research Programme in South Africa. His research journey started with the topics of stress, burnout and work engagement and has evolved towards prospering and flourishing of people in work and organisational contexts. People who prosper in work and organisational contexts are satisfied with their jobs, experience positive emotions, are energetic, learning and dedicated, experience satisfaction of their autonomy, competence and relatedness needs, find meaning and purpose in their work, experience harmony and relate positively. He focuses on researching the prospering of people at work, the antecedents and outcomes thereof, and intervention programmes that could contribute to prospering of individuals and organisations.

Provides empirically validated interventions that have significant effect on the development of positive psychological capacities and attributes in multi-cultural situations

Discusses interventions applicable through the lifespan of individuals

Presents a multidisciplinary view on the implementation of positive psychology interventions in clinical, educational and work-related contexts

1. SOAR: A Framework To Build Positive Psychological Capacity In Strategic Thinking, Planning, And Leading.- 2 #NoFilter: An Online Photographic Meaningful-Moments Intervention.- 3 Exploring Positive Psychological Interventions Intended for a Supportive Work-Family Culture.- 4 Strategies for resilience-focused interventions for youth within collectivistic cultures: Reflections on the Pathways to Resilience Project.- 5Happy together: The development of dyadic functioning and individual wellbeing of heterosexual couples through a positive psychological intervention.- 6 Applying Positive Psychology to Prenatal Care within Multi-cultural Contexts: A web-based positive psychology intervention.- 7 Positive Psychology Interventions: Examing the effect of expert and similarity heuristics on uptake and adherence in an Irish sample.- 8 An Intervention On Reemployment Crafting And Psycap Among The Unemployed.- 9 Well-being at school: development and evaluation of a positive psychology intervention in multi-cultural background children in France and in Singapore.- 10 The effectiveness, feasibility and acceptability of a mindfulness-based intervention in two Irish primary schools.- 11 Combining mindfulness and gratitude interventions to facilitate student well-being in an African university context.- 12 Voluntary Work As A Way To Find Meaning: The Case Of Grassroot Volunteers In India.- 13 The Best Possible Self-intervention: evidence from its efficacy in multi-cultural contexts.- 14 Implementing and evaluating positive psychology programs with youth in diverse communities: Promoting character strengths and well-being.- 15 Future Directions for Positive Psychological Interventions Within Multi-Cultural Contexts.