Dr. Suresh Kumar Murugesan is a professor of psychology from India who specializes in positive psychology. He has published numerous research papers and books. The presentation discusses positive emotions, including their origins and types. Several theories of positive emotion are described, such as broaden-and-build theory and flow theory. Research shows that positive emotions can build resources, undo negative emotions, and predict longer life spans. Strategies for developing positive emotions include seeking social support, relaxation techniques, and rationalizing one's mood.