Zachary Xi

Hi, I'm Zach! I make things that people (sometimes) want

Product Manager at Salesforce

Previously: Founder of Enflux, ML Research at Stanford

Lives in San Francisco, CA

Projects

• Kest
  Jan 2026 — AI-powered flight search tool
• Engram | demo
  Mar 2026 — Episodic memory for Claude Code
• Inference Observatory
  Mar 2026 — Observability platform that tracks inference costs across vLLM / OpenAI deployments
• Bestie Voice Agent | demo
  Nov 2025 — Fully local STT, LLM, TTS voice agent
• PyTorch Intent Classifier | demo
  Nov 2025 — A lightweight 2-layer FFN classifier to route user queries to tools

Writing

• four years, six months, or nine days
  Mar 2025 — a poem
• 元宵 2/12
  Feb 2025 — a shorter poem

Contact

• Email
• GitHub
• LinkedIn

Built over a sunny weekend in a Hayes Valley coffee shop