Professor of Work and Organizational Psychology at Erasmus University Rotterdam. Particularly interested in burnout and positive organizational psychology, including work engagement, job crafting, playful work design, job performance, and positive spillover/crossover. Listed in Thomson Reuters’ list of 'The World's Most Influential Scientific Minds' for having a high number of highly cited papers (since 2014).Distinguished Visiting Professor at the University of Johannesburg, South AfricaAdjunct Professor at Lingnan University, Hong KongExtraordinary Professor at North West University, Potchefstroom, South AfricaVisiting Professor University of Zagreb, CroatiaVisiting Professor at the University of the Free State, South AfricaChairman of the Foundation for Research on Psychosocial Stress (2014-2015)Past Secretary General of the Alliance of Organizational Psychology (2010-2014).Past President of the European Association of Work and Organizational Psychology (2009-2013).Past President of the Dutch Association for Work and Organizational Psychology researchers (2006-2012).Adjunct Professor at Lingnan University, Hong Kong (2013-2018)Fellow of the International Association of Applied Psychology.Fellow of the Association for Psychological Science.Fellow of the European Academy of Occupational Health Psychology.Publishes in the major I/O journals. Interested in quantitative diary research and internet/smartphone applications of organizational psychology.Expertise : Positive Organizational Psychology, work engagement, JD-R theory, job design, job crafting, strengths use, diary studies, burnout, leadership, crossover, work-family interface.