Retention & Engagement Specialist
David doubled Day-30 retention at Duolingo through gamification and habit-forming design. He combines behavioral psychology with data-driven experimentation to create products people can't stop using.
Retention is the foundation of sustainable growth. Learn to measure, diagnose, and improve how users come back.
Apply behavioral science to create products users love and return to. Based on the Hook Model and modern behavioral design.
Move beyond superficial points and badges. Learn gamification systems that genuinely improve engagement and learning outcomes.
Win back churned users and reactivate dormant ones. Data-driven strategies for email, push, and in-app re-engagement.
Send the right message to the right person at the right time. Data-driven approaches to push, email, and in-app notifications.