Why 67% of Strategies Fail: The Execution and Engagement DataThis is not a soft problem. According to Harvard Business Review, 67% of well-formulated strategies fail — not because the strategy was wrong, but because execution never followed. Quarterly Audit Checklist: Vision, Strategy, Execution and BeliefThe following table highlights the most important lessons, actions and strategic considerations emerging from the quarterly vision-to-belief audit process. What is the difference between vision, strategy, execution and belief? Harvard Business Review reports that 67% of well-formulated strategies fail, and the cause is usually execution, not a flawed plan.