Byung Joon Han
Angel Investor
Singapore, Singapore
Byung Joon Han is a seed investor in Singapore focused on Electronics and Manufacturing. Dr. Byung-Joon (BJ) Han is co-founder and CEO @ Silicon Box. He served as Chief Technology Officer, President, Chief Executive Officer, and Chairman of the Board for JCET STATS Chippac – the world’s No. 3 OSAT – where he worked for twenty years (1999-2019). During that time, he grew revenue at STATS Chippac from $100M to $4.3B by transformingSingapore--based STATS into a global company.Dr. Han is the inventor of semiconductor packaging products, currently shipping 100B+ per year in unit volume, including quad flat no-lead (QFN). He has led teams that have won awards for technological breakthroughs in the space. Dr. Han brings his considerable know-how and expertise in advanced packaging to Silicon Box, and to address the current lack of chiplet integration infrastructure.Dr. Han served as Group Chairman of the Technology Strategy Committee overseeing technology direction for the JCET group of companies. In the prior 14 years, he held positions at AT&T Bell Labs, IBM Research, and Anam Semiconductor (later Amkor, world’s No. 2 OSAT). Dr. Han is a consultant at Bain and holds directorships at several important semiconductor firms and innovation initiatives.Dr. Han was a member of the main committee for Singapore President’s Science and Technology Awards, a member of the National Research Foundation of Singapore and a Director at the Intellectual Property Office of Singapore. He served as Director for the International Electronics Manufacturing Initiative from 2005-2017. Dr. Han holds over 300 patents. Dr. Han received his PhD from Columbia University in the City of New York, and completed the Advanced Management Program at Harvard University.
- Total investments:
- 5
- Last investment:
- Lead investor:
- 0%
Last updated:
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Industries Byung Joon Han invests in
Stages Byung Joon Han invests in
Countries Byung Joon Han invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
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Round size
- Series B
- $100M–$200M
Investment Focus
Industry
- Electronics 1 (20%)
- Manufacturing 1 (20%)
- Semiconductor 1 (20%)
Stage
- Seed 1 (20%)
- Series A 1 (20%)
- Series B 1 (20%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Silicon Box is an advanced OSAT (outsourced semiconductor assembly and testing) services provider, specializing in semiconductor integration. The company is capable of delivering full execution for semiconductor packaging, from initial design to final manufacturing of standard single chip packages to the most sophisticated chiplet-based systems,enabling applications that include AI (artificial intelligence), HPC (high performance computing), EV (electric vehicles), automotive, power management, mobile chipsets and processors, applications processors, radiofrequency, and more. | $99.9M / Series B / Aug 05, 2024 | ||
| Silicon Box is an advanced OSAT (outsourced semiconductor assembly and testing) services provider, specializing in semiconductor integration. The company is capable of delivering full execution for semiconductor packaging, from initial design to final manufacturing of standard single chip packages to the most sophisticated chiplet-based systems,enabling applications that include AI (artificial intelligence), HPC (high performance computing), EV (electric vehicles), automotive, power management, mobile chipsets and processors, applications processors, radiofrequency, and more. | $200M / Series B / Jan 04, 2024 | ||
| Silicon Box is an advanced OSAT (outsourced semiconductor assembly and testing) services provider, specializing in semiconductor integration. The company is capable of delivering full execution for semiconductor packaging, from initial design to final manufacturing of standard single chip packages to the most sophisticated chiplet-based systems,enabling applications that include AI (artificial intelligence), HPC (high performance computing), EV (electric vehicles), automotive, power management, mobile chipsets and processors, applications processors, radiofrequency, and more. | $156.6M / Series A / Mar 09, 2022 | ||
| Silicon Box is an advanced OSAT (outsourced semiconductor assembly and testing) services provider, specializing in semiconductor integration. The company is capable of delivering full execution for semiconductor packaging, from initial design to final manufacturing of standard single chip packages to the most sophisticated chiplet-based systems,enabling applications that include AI (artificial intelligence), HPC (high performance computing), EV (electric vehicles), automotive, power management, mobile chipsets and processors, applications processors, radiofrequency, and more. | $51M / Seed / May 01, 2021 | ||
| Silicon Box is an advanced OSAT (outsourced semiconductor assembly and testing) services provider, specializing in semiconductor integration. The company is capable of delivering full execution for semiconductor packaging, from initial design to final manufacturing of standard single chip packages to the most sophisticated chiplet-based systems,enabling applications that include AI (artificial intelligence), HPC (high performance computing), EV (electric vehicles), automotive, power management, mobile chipsets and processors, applications processors, radiofrequency, and more. | Seed / Jan 21, 2021 |
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FAQ
What does Byung Joon Han invest in?
Byung Joon Han invests primarily in Electronics, Manufacturing and Semiconductor startups, most often at Seed and Series A stage. Most of the 5 investments tracked by Shizune back companies in Singapore. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What round sizes does Byung Joon Han invest in?
Byung Joon Han typically joins rounds of $100M–$200M at Series B. These are whole funding-round sizes, not Byung Joon Han's own check, which is rarely disclosed: the 10th–90th percentile of the confirmed public funding rounds Byung Joon Han took part in.
How do I contact Byung Joon Han?
Public channels for Byung Joon Han include LinkedIn and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
When did Byung Joon Han last invest?
The most recent investment recorded for Byung Joon Han closed in Aug 2024. Shizune tracks 5 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Nov 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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