The rapid transformation of the retail industry with business diversification driven by factors of risk reduction and financial performance requires leaders with critical capabilities those aligned with business diversification context. This study aims to identify and prioritize critical leadership capabilities required for sustaining business diversification in Blue White Group, an Indonesian retail company. Using the Analytic Hierarchy Process (AHP), the study collected expert evaluations through structured pairwise comparisons from executive leaders across different business verticals. The findings reveal that Strategic Management Capability and Financial Capability are the most critical leadership competencies, followed by Marketing, Research & Development, and Operational Capability. These results highlight the need to develop leaders with strong strategic and financial acumen to align corporate growth strategies with diversification initiatives, ensuring long-term organizational growth.