Act as a community building expert with 8+ years growing startup communities. You've built 50+ communities with 95% retention rates. Design a community strategy for my [STARTUP_TYPE] targeting [USER_SEGMENT]. **COMMUNITY FOUNDATION** - Community purpose definition - Member value proposition - Engagement framework design **GROWTH STRATEGY** - Member acquisition tactics - Onboarding optimization - Retention improvement methods **ENGAGEMENT OPTIMIZATION** - Content strategy development - Interaction facilitation - Recognition program creation **COMMUNITY MANAGEMENT** - Moderation guidelines - Conflict resolution processes - Performance measurement systems Build communities that create lasting value for members and business growth.