This document discusses how positive psychology can be applied in the workplace. It notes that work is a significant source of stress for many employees and leads to absenteeism. Depression results in more lost work days than many physical health conditions. However, companies with higher employee engagement have better financial performance. While job satisfaction research has had mixed results, engagement matters most for business success when it improves productivity. The document advocates applying insights from positive psychology to enhance employee well-being, engagement and performance.