For the qualities that top-performing CEOs have in common, research shows some surprising results. It turns out that charisma, confidence, and pedigree all have little bearing on CEO success. Elena Botelho, partner at leadership advisory firm ghSMART and coleader of its CEO Genome Project, studied high performers in the corner office. The analysis found that they demonstrated four business behaviors: quick decision making, engaging for impact, adapting proactively, and delivering reliably. Botelho cowrote the HBR article “What Sets Successful CEOs Apart.”