D3 Jubilee
VC Fund
Seoul, South Korea
D3 Jubilee is a VC fund in Seoul focused on Information Technology and Software. D3 is headquartered in Seoul and San Francisco, pioneering the domestic and global impact investment areas. D3 redefines the role of capital by investing in entrepreneurial innovation that improves the lives of low-income families, women, and immigrants, and creates an environmentally sustainable world.Invest in ICT start-ups with highsocio-environmental value in low-income countries such as Korea, USA and South America, Africa and India.
- Total investments:
- 119
- Last investment:
- Lead investor:
- 9%
- Fund size:
- $15M
- Last fund:
Last updated:
For AI agents: llms.txt
Industries D3 Jubilee invests in
Stages D3 Jubilee invests in
Countries D3 Jubilee invests in
Round sizes
Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Round size
- Seed
- $300k–$2M
- Series A
- $1.1M–$4.3M
- Series B
- $3.3M–$21M
Investment Focus
Industry
- Information Technology 12 (10%)
- Software 8 (7%)
- Health Care 8 (7%)
- Energy 7 (6%)
- E-Commerce 7 (6%)
Stage
- Seed 35 (29%)
- Series A 22 (18%)
- Series B 21 (18%)
- Venture - Series Unknown 17 (14%)
- Funding Round 9 (8%)
Country
- South Korea 60 (50%)
- United States 14 (12%)
- Kenya 3 (3%)
- China 1 (1%)
- India 1 (1%)
Team
| Name | Title | Investments | Links | |
|---|---|---|---|---|
Doug Lee
Founder & CEO
|
Founder & CEO | Total investments: 3 | Find email | |
Haedong Shin
Analyst
|
Analyst | Total investments: 0 | Find email |
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Rio MNC is a company that has grown by focusing on steel wire for submarine cable sheathing. | $9.4M / Series B / Aug 27, 2026 | ||
| GREENDA is a bio-aviation oil and gas raw material manufacturing company. | $3.3M / Series A / Jul 21, 2026 | ||
| Pion Electric is a company that is reimagining the future of the energy industry and the worldwide market for emerging technologies. | $8.6M / Series B / Mar 27, 2026 | ||
| Conalog is a piezoelectric element-based energy harvesting technology. | $1.4M / Series A / Dec 01, 2025 | ||
| Wintec Glovis manufactures water treatment and air purification equipment that solves the drawbacks of activated carbon. With the help of superheated steam, the company recycles activated carbon with eco-friendly technology, which allows humans to breathe clean air and drink clear water without concern. | Series B / Jun 17, 2025 | ||
| RECO is a waste management platform that combines digital solutions and customized waste hauling services. They provide optimal waste management solutions for each business site. Their services include improving the emission environment, waste collection and transport, management automation, and resource circulation. They manage the entire process,from waste disposal to final treatment. It offers dedicated software (web/app) to assist with waste management automation. The software can easily manage all tasks, from monitoring emissions data to checking real-time rates and waste reporting documents, reducing work hours. | $39.7M / Series C / Mar 31, 2025 | ||
| UBATT manufactures polymorphic thin lithium batteries using flame-retardant polymer solid electrolytes and uniform, large-capacity anode technology to produce polymer solid-state batteries, electrolytes, and lithium metal conductors, enabling companies to procure batteries for electric mobility and other uses. | $6.2M / Series B / Jan 17, 2025 | ||
| KOMEMTEC is a South Korean environmental technology company specializing in PTFE membrane manufacturing and advanced filtration solutions for industrial applications. The company develops high-performance membrane filters used in air purification, water treatment, semiconductor clean rooms, fuel cells, medical materials, and industrial dustcollection systems. | $2.4M / Venture - Series Unknown / Jul 18, 2024 | ||
| Beyond Technology Engineering is an energy company that provides carbon-neutral energy recycling solutions. | $4.8M / Series B / May 24, 2024 | ||
| Point2 Technology develops a dielectric waveguide for high speed interconnect for both datacenter applications. The company is a provider of interconnect technology solutions that delivers ultra-low power, low-latency, point-to-point interconnect and range enhancement SoC solutions specifically designed to fulfill the bandwidth needs of hyperscaleAI/ML datacenters and 5G infrastructure. | $22.6M / Series B / Feb 14, 2024 | ||
| See all 119 investments → | |||
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FAQ
What does D3 Jubilee invest in?
D3 Jubilee invests primarily in Information Technology, Software and Health Care startups, most often at Seed and Series A stage. Most of the 119 investments tracked by Shizune back companies in South Korea. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is D3 Jubilee's check size?
D3 Jubilee typically joins rounds of $300k–$2M at Seed, $1.1M–$4.3M at Series A and $3.3M–$21M at Series B. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds D3 Jubilee participates in.
How do I contact D3 Jubilee?
Public channels for D3 Jubilee include LinkedIn, the website linked on this profile and Facebook. 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.
Who are the partners at D3 Jubilee?
The team at D3 Jubilee includes Doug Lee (Founder & CEO) and Haedong Shin (Analyst). The Team section lists each member with their title, investment count and links.
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 Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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