In The Happiness Index: Why Today’s Emotions Equal Tomorrow’s Business Success, cofounder and CEO of The Happiness Index Matthew Phelan delivers a fascinating dive into data from over 100 countries and 2 million human beings that helps us understand what really drives our engagement and happiness at work. Grounded in an evidence-based and neuroscientific approach, the book skips the memes and inspirational quotes in favor of data and insights based on real-time information from real people.