Architect and maintain HubSpot workflows across every lifecycle stage. Build the end-to-end customer journey from lead to renewal. Implement reactivation and churn-prevention systems. Own segmentation, lead scoring, tagging, and behavioral automation logic. Create high-performing nurture, onboarding, renewal, and win-back emails. Produce consistent, client-facing lifecycle communication across channels. Map and optimize client journeys from first touch through 12+ months of retention. Build quarterly ROI narratives and automated impact reports. Identify friction points and develop solutions. Track and report on retention, reactivation, email performance, and churn indicators. Test messaging, segmentation logic, send times, and journey flows. Ensure data hygiene, attribution accuracy, and CRM integrity. Collaborate with Growth, Partnerships, Content, and Design teams.