This report presents a strategic management analysis, covering key concepts and practical applications. It begins with an explanation of M.E. Porter's model of competition, supported by real-world examples, examining both successes and failures. The report then employs a case study approach, evaluating the strategic management of Microsoft under Satya Nadella. Furthermore, it proposes a recovery plan for the Toshiba Corporation, addressing their recent poor performance, and a risk management strategy for Tesco. The analysis includes discussions on competitive forces, market penetration, and product development strategies, providing a comprehensive overview of strategic decision-making and its impact on organizational performance. The report also incorporates a discussion of Ansoff matrix for Tesco's recovery plan, highlighting market penetration and product development strategies.