Funded Tech Companies

RadixArk

RadixArk is a leading artificial intelligence company, based in Sacramento. Venture investment and financing was provided by MediaTek, AMD and Spark Capital.

Company Overview

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Company Background Information

Overview

RadixArk is an infrastructure-first, deep-tech company building large-scale inference and training systems for the entire AI community. Our mission is simple and ambitious: make frontier-level AI infrastructure open and accessible to everyone. Today, the most advanced training and inference stacks live inside a few companies. They employ exceptional infrastructure engineers, but their systems primarily serve internal needs. Every new AI lab rebuilds the same schedulers, compilers, serving engines, and training pipelines from scratch. Infrastructure engineers are often treated as a support function--asked to optimize for immediate model metrics rather than long-term system design and first principles. The result is a lot of unintended waste: duplicated effort, underused insights, and slower progress for the broader ecosystem.

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Last Transaction

5/5/2026

Financing History

Management Team

Title

Name

Email & Social

Chief Executive Officer

Ying Sheng

        

Chief Technical Officer

Banghua Zhu

        

Company Investors

• MediaTek
• AMD
• Spark Capital
• Walden Catalyst
• LDV Partners
• HOF Capital
• Accel Partners
• Nventures
• WTT Investment
• A&E Investments
• Private Investors (Eric Zelikman)
• Private Investors (Hock Tan)
• Private Investors (Igor Babuschkin)
• Private Investors (John Schulman)
• Private Investors (Lip-Bu Tan)
• Private Investors (Logan Kilpatrick)
• Private Investors (Olivier Pomel)
• Private Investors (Robert Nishihara)
• Private Investors (Soumith Chintala)
• Private Investors (Thomas Wolf)
• Private Investors (William Fedus)

Browse more funded tech companies:

Radix | RADLAN Computer Communications

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