The demand for organizational accountability has never been greater. The future of work, talent, and employment are changing at an unprecedented pace, and organizational decisions about how to invest in people are under increasing scrutiny. Leaders realize their decisions about human resources are crucial in an uncertain and interconnected world, yet decisions about people remain among the least systematic and evidence-based, compared to resources such as money and technology. Investing in People draws upon state-of-the art practice and research across disciplines including psychology, economics, accounting, and finance to provide HR professionals and leaders with proven guidelines for evaluating key HR initiatives.