This document summarizes a study that examined the impact of leadership competencies on competitive advantage in the Jordanian telecommunications industry. The study surveyed 120 managers and supervisors across 2 telecom companies. It found that leadership competencies like strategy development, communication skills, innovation/creativity, developing leaders, and hiring talent had a significant positive impact on competitive advantage. The study also found Jordanian telecom leadership to be well-aligned with these international standards for competencies.