Building
tools that
think.

Youngmin Cho

Projects
Araverus.com

Araverus.com

Story-first financial intelligence platform. Threads related news into narratives, surfaces velocity and market impact, and delivers bilingual audio briefings — powered by a fully autonomous Python pipeline and LLM analysis.

Next.js 15React 19TypeScriptPythonSupabaseGeminiD3.jsEmbedding
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DraftingAlpha

DraftingAlpha

Reinforcement learning system that learns optimal fantasy football draft strategy. Trains a PPO agent across 1,000 simulated snake drafts using six seasons of NFL data to discover positional scarcity and value-over-replacement strategies that outperform conventional heuristics.

Recent Writing
Zero-Shot Demand Forecasting with Amazon Chronos-2: Lessons from Supply Chain Production
Zero-Shot Demand Forecasting with Amazon Chronos-2: Lessons from Supply Chain Production
How Amazon's Chronos-2 outperformed traditional baselines in zero-shot supply chain demand forecasting — and why forecast granularity matters more than model complexity.
Mar 2026
Building an ML Embedding Pipeline for Financial News Ranking
Building an ML Embedding Pipeline for Financial News Ranking
How I built a candidate generation and ranking system using BAAI/bge-base-en-v1.5 embeddings to match related financial news across publications — architecture decisions, threshold tuning, and the evolution from cosine heuristics to an LLM Judge.
Mar 2026
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About

The portfolio and technical blog of Youngmin Paul Cho, focused on AI, ML, and building data-driven products.

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