Jari Jussila is Postdoctoral Researcher in DARE Business Data Research Group at Laboratory of Industrial and Information Management, Tampere University of Technology, Tampere, Finland and Chief Information Officer at Moodmetric. Jari’s research is currently focused on, social media, health informatics, as well as, big social data analytics. Jari holds a DSc degree in Information and Knowledge Management and a MSc degree in Industrial Management, both from Tampere University of Technology, Finland, and a Bachelor of Engineering degree from Häme University of Applied Sciences. His current research agenda is to develop new algorithms and techniques for big data analytics including emotion recognition from social media and identification of human burnout and stress condition from wearable sensor data.