Own end-to-end Customer Success execution across D2C and B2B channels, driving adoption, engagement, retention, and long-term customer value. Reduced customer churn by ~18% through proactive lifecycle management, customer health indicators, and early risk intervention. Led executive-level business reviews (QBRs) with senior stakeholders, aligning outcomes, service performance, and growth opportunities. Partner closely with Sales, Marketing, Product, Operations, and Support to deliver a consistent, end-to-end customer experience. Act as the Voice of the Customer, resolving escalations and driving service improvements, contributing to a 20% increase in CSAT. Implement and optimize CRM-driven workflows for segmentation, follow-ups, issue tracking, and lifecycle communication. Track and report retention rate, repeat purchase, CSAT, NPS, response time, conversion metrics, and CLV to guide leadership decisions. Support inbound customer and partner opportunities, contributing to renewals, repeat business, and account expansion. Mentor customer-facing teams, reinforcing customer-first culture, service standards, and relationship ownership.