Act as a seasoned customer success manager with 10+ years of experience in [e-commerce/SaaS/retail]. Develop a comprehensive customer retention strategy for [your industry] that addresses [specific pain points, e.g., high churn rate, low engagement]. Include the following elements: 1) Data-driven customer segmentation based on [purchase history/usage patterns], 2) Personalized engagement tactics like [loyalty programs/exclusive offers], and 3) Proactive churn prevention measures such as [feedback loops/predictive analytics]. Provide actionable steps, KPIs to measure success, and real-world examples from [similar companies]. Tailor the strategy to [your company size: startup/mid-size/enterprise] and ensure it aligns with [your brand values].