# Sang Lee

> Sang Lee is the co-founder and CEO of Vibranium Labs, a New York startup building Vibe AI, billed as the first 24/7 AI site reliability engineer. A former Google and AWS engineer who lived through too many 2 a.m. outage firefights, Lee is building an agentic AI teammate that detects, triages, and resolves IT incidents before a human ever wakes up. In September 2025 the company raised $4.6M in seed funding led by Calibrate Ventures and Mirae Asset, with backing from a16z, Franklin Templeton, and others, claiming up to an 85% cut in mean time to resolution and counting Shutterstock among its clients.

- **Role:** Co-Founder and CEO at Vibranium Labs
- **Organizations:** Vibranium Labs, Google, Amazon Web Services, Leidos
- **Education:** BS, Aerospace Engineering, University of Maryland, Master's degree, Cornell University
- **Known for:** Co-founded and leads Vibranium Labs, maker of Vibe AI, billed as the first 24/7 AI site reliability engineer, Raised $4.6M in seed funding (September 2025) led by Calibrate Ventures and Mirae Asset, with a16z, Franklin Templeton, Plug and Play, Gaingels, Wildcard Capital, FalconX, and DCG participating, Vibe AI reported to reduce mean time to resolution by up to 85% and deliver over 95% triage accuracy

## Career timeline

- **—** — Worked at Leidos in engineering
- **—** — AI Engineer and Site Reliability Engineer at Amazon Web Services
- **—** — AI Engineer and Site Reliability Engineer at Google
- **2024** — Co-founded Vibranium Labs in New York with Tim Hwang, Charles Kim, and Tanny Kang
- **2025** — Raised $4.6M seed round led by Calibrate Ventures and Mirae Asset to scale Vibe AI

## Achievements

- Co-founded and leads Vibranium Labs, maker of Vibe AI, billed as the first 24/7 AI site reliability engineer
- Raised $4.6M in seed funding (September 2025) led by Calibrate Ventures and Mirae Asset, with a16z, Franklin Templeton, Plug and Play, Gaingels, Wildcard Capital, FalconX, and DCG participating
- Vibe AI reported to reduce mean time to resolution by up to 85% and deliver over 95% triage accuracy
- Selected as an AWS AI Marketplace partner
- Counts Shutterstock among global clients
- Closed the seed round in roughly 6-8 weeks

## Latest updates

- **2025-09** — Vibranium Labs announced a $4.6M seed round led by Calibrate Ventures and Mirae Asset to scale Vibe AI, the first 24/7 AI incident engineer.

## Links

- Website: https://vibraniumlabs.ai
- LinkedIn: http://www.linkedin.com/in/lsmcap91

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Profile page: https://yespress.io/sang-lee
Published by YesPress — https://yespress.io
Last updated: 2026-06-21