Feeling like they don’t matter is a leading — and preventable — reason that top employees quit. Many leaders use their limited attention to develop underperformers or to try to reengage disengaged employees. As a result, they can unintentionally overlook high-performing employees. Studies show many high performers leave because they feel unnoticed and undervalued. There’s a word for the experience of feeling unseen and undervalued: Psychologists call it “anti-mattering.” When people experience