created using Envato Psychopathy. Narcissism. Machiavellianism. Sadism. The "Dark Tetrad" of personality—and they're probably in your leadership pipeline. Research shows these traits often correlate with promotion despite predicting: → Counterproductive work behaviours → Employee turnover → Toxic culture → Ethics violations → Long-term performance decline Why do dark personalities advance? → Short-term charisma masks long-term dysfunction → Self-promotion is rewarded in many