Leadership effectiveness remains a critical determinant of sustained competitive advantage, particularly in large, globally distributed service organizations operating in dynamic and technology‑driven environments. This paper presents an applied leadership assessment of Infosys Limited, a leading multinational IT services and consulting firm, through the lens of four established leadership theories: Trait, Behavioural, Contingency, and Transformational leadership. Using a qualitative, secondary‑data‑driven case approach supported by publicly available organizational documents, leadership literature, and practitioner insights, the study evaluates how leadership practices at Infosys have evolved from a founder‑led, values‑driven model to a professionally managed, AI‑enabled enterprise. The analysis identifies key leadership strengths, including ethical foundations, structured leadership development, and strategic vision, while also highlighting gaps related to mid‑level managerial consistency, strategy translation, and situational adaptability across diverse work contexts. To bridge these gaps, the paper introduces a practical leadership assessment framework comprising a short survey instrument, a managerial behaviour audit, a situational leadership fit diagnostic, and qualitative interviews. When mapped to publicly available indicators and secondary sources, the framework suggests that while Infosys demonstrates a strong leadership architecture at the senior level, greater standardization of everyday leadership routines and clearer alignment between leadership style and operational context are required to enhance organizational effectiveness. The study concludes with a 12‑month improvement roadmap and a 3–5 year leadership strategy aimed at strengthening managerial capability, improving strategy execution, and sustaining competitive advantage. The paper contributes to applied management and HR practice by offering a replicable leadership assessment approach that can be adapted by HR leaders and practitioners in large service‑based organizations.
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