# Yu-Sung Chang

> Yu-Sung Chang is the co-founder, CEO and CTO of Vivity AI, an industrial AI company building software for heavy industries like petrochemicals, shipbuilding and manufacturing. A computer scientist with a Ph.D. from Stony Brook University, he spent years at Wolfram Research working on Mathematica's graphics and geometry systems before moving into e-commerce technology leadership as CTO of Korea's SSG.COM and co-founding the healthcare AI startup Huma.AI. In 2022 he founded Vivity AI, which raised roughly $8.4M in a round backed by Hanwha Systems, to close the gap between the physical and digital worlds on the factory floor.

- **Role:** Co-founder, CEO & CTO at Vivity AI
- **Organizations:** Vivity AI, Huma.AI, SSG.COM, Wolfram Research, Stony Brook University
- **Nationality:** South Korean / United States (based in the US)
- **Education:** Ph.D., Computer Science (3D geometric modeling and shape design), Stony Brook University, New York University, Seoul National University
- **Known for:** Co-founded and leads Vivity AI, an industrial AI company backed by Hanwha Systems., Raised approximately $8.4M in funding for Vivity AI., Earned a Ph.D. in Computer Science from Stony Brook University focused on 3D geometric modeling.

## Career timeline

- **2000-2005** — Ph.D. researcher in computer science at Stony Brook University, working on volumetric subdivision, virtual sculpting and 3D shape design.
- **2005-2016** — Worked at Wolfram Research, contributing to Mathematica's graphics, geometry and visualization systems and writing for the Wolfram Blog and Demonstrations Project.
- **2017-2018** — Co-founded and served as CTO of Huma.AI, a healthcare/life-sciences AI startup.
- **2020-2021** — Chief Technology Officer and Head of the DI (Data Intelligence) Division, EVP at SSG.COM, a major Korean e-commerce platform.
- **2022** — Co-founded Vivity AI to bring AI to heavy industries; became CEO and CTO.
- **2023** — Vivity AI raised roughly $8.4M in a round backed by Hanwha Systems.
- **2024** — Vivity AI recognized by Frost & Sullivan (Entrepreneurial Company of the Year write-up) for its industrial AI platform.

## Achievements

- Co-founded and leads Vivity AI, an industrial AI company backed by Hanwha Systems.
- Raised approximately $8.4M in funding for Vivity AI.
- Earned a Ph.D. in Computer Science from Stony Brook University focused on 3D geometric modeling.
- Contributed to Mathematica at Wolfram Research, including bringing splines and improved 3D graphics to the product.
- Served as CTO / EVP and head of the Data Intelligence division at SSG.COM, one of Korea's largest e-commerce platforms.
- Co-founded the healthcare AI startup Huma.AI.
- Vivity AI recognized by Frost & Sullivan for industrial AI innovation.

## Latest updates

- **2024-07** — Vivity AI featured in a Frost & Sullivan Entrepreneurial Company of the Year write-up for its industrial AI platform.
- **2023-01** — Vivity AI closed a funding round of roughly $8.4M with strategic investor Hanwha Systems.

## Links

- Website: https://vivity.ai
- LinkedIn: https://www.linkedin.com/in/yusungchang/

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Profile page: https://yespress.io/yu-sung-chang
Published by YesPress — https://yespress.io
Last updated: 2026-07-22