Joni Kettunen, PhD, is a pioneer in physiological analytics and its applications. He is leading Firstbeat at the cutting edge of heartbeat analytics for wearables, fitness devices, wellbeing services and professional sports. As of today, Firstbeat analytics is used by hundreds of elite sports teams, thousands of corporations, and millions of consumers to improve their performance and wellbeing. Before founding Firstbeat in 2002, Joni has published research in the areas of psychophysiology, behavioral medicine, autonomic nervous system function and stress quantification. Joni received his PhD from the University of Helsinki in 1999.