D3 Jubilee Partners

D3 Jubilee, with headquarters in Seoul and San Francisco, focuses on impact investment aimed at fostering entrepreneurial innovation that enhances the lives of low-income families, women, and immigrants while promoting environmental sustainability. The firm specializes in investing in information and communication technology (ICT) start-ups that demonstrate significant socio-environmental value, particularly in low-income regions including Korea, the United States, South America, Africa, and India. By redefining the role of capital, D3 Jubilee seeks to create positive social change and improve living conditions for underserved communities across the globe.

Doug Lee

Founder and CEO

Dukjun Lee

General Partner

Past deals in Recycling

RECO

Series C in 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.

Beyond Technology Engineering

Venture Round in 2024
Beyond Technology Engineering is an energy company that provides carbon-neutral energy recycling solutions.

Green Mineral

Series A in 2023
Green Mineral is a mineral recycling company focused on addressing pollution through innovative technology. The company specializes in the environmentally friendly and cost-effective recycling of metals, particularly lithium. Utilizing a bio-mineralization technique, Green Mineral extracts lithium without relying on traditional organic solvents, thereby minimizing environmental impact. This approach not only promotes sustainable waste management but also helps clients optimize their recycling processes. Through its commitment to eco-friendly practices, Green Mineral aims to contribute to a cleaner and more sustainable future.

Green Mineral

Venture Round in 2023
Green Mineral is a mineral recycling company focused on addressing pollution through innovative technology. The company specializes in the environmentally friendly and cost-effective recycling of metals, particularly lithium. Utilizing a bio-mineralization technique, Green Mineral extracts lithium without relying on traditional organic solvents, thereby minimizing environmental impact. This approach not only promotes sustainable waste management but also helps clients optimize their recycling processes. Through its commitment to eco-friendly practices, Green Mineral aims to contribute to a cleaner and more sustainable future.

Beyond Technology Engineering

Seed Round in 2022
Beyond Technology Engineering is an energy company that provides carbon-neutral energy recycling solutions.

Beyond Technology Engineering

Venture Round in 2022
Beyond Technology Engineering is an energy company that provides carbon-neutral energy recycling solutions.

RECO

Series B in 2021
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.

RECO

Series A in 2021
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.

Repla

Venture Round in 2021
Repla is a plastic recycling company focused on developing innovative technologies for plastic waste management. It specializes in creating solutions that utilize plastic-degrading microorganisms to efficiently decompose plastics. One of its key products is a rural plastic waste decomposition tank that allows for the breakdown of plastics in an environmentally friendly manner. Additionally, Repla has developed a recycled resin purity tester, which ensures that the recycled materials meet quality standards by selectively treating foreign substances. This approach enables clients to effectively recycle plastics, even when dealing with mixed materials, thereby promoting sustainable practices in plastic waste recycling.

Repla

Seed Round in 2020
Repla is a plastic recycling company focused on developing innovative technologies for plastic waste management. It specializes in creating solutions that utilize plastic-degrading microorganisms to efficiently decompose plastics. One of its key products is a rural plastic waste decomposition tank that allows for the breakdown of plastics in an environmentally friendly manner. Additionally, Repla has developed a recycled resin purity tester, which ensures that the recycled materials meet quality standards by selectively treating foreign substances. This approach enables clients to effectively recycle plastics, even when dealing with mixed materials, thereby promoting sustainable practices in plastic waste recycling.

ReCarbon

Series B in 2019
ReCarbon, Inc. is a technology company based in Santa Clara, California, focused on recycling waste carbon dioxide emissions into valuable products. Founded in 2011, ReCarbon develops proprietary plasma generation systems that utilize microwave plasma technology to convert flue gas emissions, specifically CO2 and methane, into clean hydrogen and syngas. The company's innovative platform targets significant carbon dioxide emitters, including industrial operations, landfills, wastewater treatment facilities, biomass, and biogas sites. By facilitating decentralized and community-based production processes, ReCarbon aims to enable a circular economy that transforms greenhouse gas emissions into low carbon hydrogen and industrial gases, contributing to the development of a sustainable hydrogen economy.
Spot something off? Help us improve by flagging any incorrect or outdated information. Just email us at support@teaserclub.com. Your feedback is most welcome.