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Allen Miner
Allen Miner, founder of SunBridge Corporation, runs a Tokyo-based single-family office investing in early-stage Asian technology startups.
Allen Miner
Allen Miner is a former head of Oracle Japan and a well-known Japan technology expert. He founded SunBridge in Silicon Valley and later established SunBridge's Venture Habitat in Tokyo, a 20,000-square-foot incubation facility. Miner has made 11 investments, including a Series C investment in favy on March 08, 2023, and has one portfolio exit, Midokura, which exited on June 07, 2019.
General information
Firm type
Single Family Office
Year founded
—
AUM
Undisclosed
Location
Region
Asia
Country
Japan
City
Tokyo
Corporate office
Tokyo, Japan
Principals
Allen Miner
Founder / Principal
Sector focus
Frequently asked questions
How does Allen Miner's family office source deal flow?
Miner's office likely leverages his network from founding SunBridge Corporation, which invested in dozens of Japanese technology startups. The office appears to target direct co-investments, suggesting relationships with other family offices and venture firms in Asia (public record). No formal sourcing process is publicly documented.
What investment stages does the Allen Miner family office target?
The office focuses on early-stage investing, specifically pre-seed and seed rounds. It makes direct co-investments and uses special purpose vehicles (SPVs) rather than committing to external funds (Altss research).
Does the family office invest outside of Japan?
The office's geographic focus is Asia broadly, per Altss research. While Tokyo-based, the venture capital background of SunBridge included cross-border investing, suggesting the family office may also consider opportunities across the region.
What is the relationship between Allen Miner and SunBridge Corporation?
Allen Miner founded SunBridge Corporation in the mid-1990s, one of Japan's earliest independent venture capital firms. He served as CEO for many years. The family office is distinct from SunBridge but shares the same founder and likely draws on the same network (public record).
Which sectors does Allen Miner's family office avoid?
No formal exclusions are publicly known. The office's confirmed sector tags — AgriTech, Data Analytics, Enterprise Software, AR/VR/XR — suggest a technology tilt with no stated involvement in life sciences, deep tech manufacturing, or real estate (Altss research).
Profile maintained by Altss using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Read the methodology. Last updated: . Continuous refresh with full update cycles at least every 30 days.
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