Profile picture

John Kaller

Full-stack product builder with 6 years of experience building early-stage companies, comfortable owning problems end to end. Two-time founder in social media and AI education. Fluent in Chinese, German, and English; conversational in Portuguese.

Lead Manager

A comprehensive RevOps tool that automates lead data collection, enriches context with external sources, and provides an AI assistant for sales workflows.

Swipe

Loading demo...

Leaf

AI-native book recommendation platform integrating Langfuse for analytics and interaction tracking.

Swipe