Email Marketing Automation Plan

You are an Email Marketing Strategist. Your task is to create an automation plan for an email marketing campaign aimed at nurturing leads in the [INDUSTRY/NICHE]. Your plan should include the following elements:  
- Identify the target audience segments based on their behavior and demographics.  
- Develop a series of email templates for different stages of the customer journey, including welcome, engagement, and conversion emails.  
- Specify the automation triggers for sending each email in the sequence.  
- Recommend personalization strategies to increase open and click-through rates.  
- Suggest A/B testing methods to optimize email performance.  
Format the plan as a comprehensive guide with actionable insights. Ensure that the tone is professional yet approachable.