Yannis Georgellis is known for his work on happiness, adaptation, and employee well-being. Spanning across several disciplines, his research explores psychological aspects of decision-making processes within the general context of employee happiness, well-being, and engagement, and their impact on organisational performance. A Distinguished Associate of the International Atlantic Economic Society (IAES), alongside Nobel laureates Edmund Phelps, Robert A. Mundell, and James M. Buchanan, his recent scholarship has appeared in Human Resource Management, Journal of Public Administration Research and Theory, and Economica.