Royal Mail, Nokia, and Starbucks all faced challenges that required strategic changes. Royal Mail struggled with profitability and modernization. Nokia's market share declined with the rise of smartphones. Starbucks saw its share price drop, so it brought back its founder to refocus on quality. Successful change management requires analyzing the situation, building a vision, planning implementation while overcoming resistance through communication and involvement. Leadership is key to driving strategic change and navigating an organization to a successful turnaround when needed.