Yifei Chen is a Co-Founder of Ghost, a San Francisco-based personal AI hardware startup that emerged from stealth in October 2026 with an $11 million seed round led by Andreessen Horowitz.

At 24, Yifei joined a bold founding team alongside CEO Zain Javaid, Nicholas Chua, and Gautam Sharda, collectively designing and hand-assembling Ghost's debut product at their San Francisco facility.

Yifei and the team are driven by a conviction that personal AI should be private, local, and fully owned by the user, not rented from the cloud.

The Ghost founding team designed both the hardware and software in-house, with units built and assembled directly by the four co-founders at their San Francisco facility.

Ghost's debut product, Core, a $3,499 screenless AI computer powered by an Nvidia RTX Pro 4000 Blackwell GPU, sold out its entire first production batch on launch day.