Madhav Shankar

Product leader with 10+ years building B2B and B2C SaaS products across AI, subscription commerce, two-sided marketplaces, and healthtech. Previously Senior PM and Associate Director at CaaStle, a US SaaS unicorn ($30-50M ARR), driving $2.1M ARR saved, 30% marketing revenue growth, and 25% subscription acquisition lift through hypothesis-driven roadmaps and cross-functional B2B enterprise product strategy. Co-founded WisOwl AI: architected a production embedding-based semantic matching engine using vector databases (FAISS, Supabase pgvector), deployed RAG pipelines and agentic automation, and scaled to 5,000+ organic signups with an active seed raise. Deep practitioner across the modern AI stack covering LLMs, MLOps, agentic automation, web scraping and data pipelines, and NLP, with a track record of product strategy execution from zero-to-one through scale.