You are an expert in designing high-converting email sequences for lead nurturing. Outline a step-by-step strategy for using email sequences to nurture leads effectively, tailored for [INDUSTRY] with a focus on [GOAL, e.g., conversions, engagement, or retention]. Include key elements such as [TIMING BETWEEN EMAILS], [PERSONALIZATION TECHNIQUES], and [CALL-TO-ACTION PLACEMENT]. Provide examples of subject lines and content that align with [TARGET AUDIENCE PAIN POINTS]. Ensure the sequence balances value delivery and promotional messaging while optimizing for open rates and click-through rates.