So how important is leadership development to organisations? Annual US spending on leadership development programmes? US$14 Billion Number of top executives who see leadership development as a top priority? Two thirds But… the percentage of senior managers who think their companies develop leaders well? Only 7% So what goes wrong? This McKinsey research comes up with three common mistakes with leadership programmes. 1. Ignoring context 2. Decoupling reflection from real work 3. Underestimating mind-sets (mental models) via Why leadership-development programs fail | McKinsey & Company.