Culture doesn't happen by accident-yet most organizations treat it that way. Leaders invest heavily in strategy, structure, and talent, but leave culture to emerge on its own. The result is misalignment, inconsistent performance, and frustration at every level of the organization. In Culture by Design, David J. Friedman shows leaders how to engineer culture on purpose-using a clear, practical roadmap to turn culture into a lasting competitive advantage. Built around an 8-step framework that's been taught to thousands of leaders and applied in organizations around the world, this book provides a system for aligning behavior, reinforcing values, and driving consistent performance. At its core, the approach helps organizations reduce variance-turning inconsistent performance into consistent excellence by teaching and reinforcing the behaviors that matter most. This updated and expanded third edition includes new chapters and refined guidance, reflecting years of real-world application and the author's most current thinking. If you're ready to stop hoping for the right culture-and start building it-this book shows you how.