D3 Jubilee Partners

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 high socio-environmental value in low-income countries such as Korea, USA and South America, Africa and India.

Dukjun Lee

General Partner

Doug Lee

Founder and CEO

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.

Green Mineral

Series A in 2023
Green Mineral focuses on recycling metals with an emphasis on environmental sustainability and cost-effectiveness. The company has developed innovative technology that utilizes microalgae to recycle lithium through a bio-mineralization technique, which is a more eco-friendly alternative to traditional organic solvent methods. This approach not only addresses the challenges of lithium recycling but also contributes to reducing pollution associated with waste management. By optimizing waste management services, Green Mineral aims to provide a responsible solution for clients looking to minimize their environmental impact.

Green Mineral

Venture Round in 2023
Green Mineral focuses on recycling metals with an emphasis on environmental sustainability and cost-effectiveness. The company has developed innovative technology that utilizes microalgae to recycle lithium through a bio-mineralization technique, which is a more eco-friendly alternative to traditional organic solvent methods. This approach not only addresses the challenges of lithium recycling but also contributes to reducing pollution associated with waste management. By optimizing waste management services, Green Mineral aims to provide a responsible solution for clients looking to minimize their environmental impact.

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.

ReCarbon

Series B in 2019
ReCarbon, Inc. is a company based in Santa Clara, California, founded in 2011, that focuses on recycling waste carbon dioxide from various industrial sources. Utilizing its proprietary microwave plasma technology, ReCarbon converts flue gas emissions, along with methane, into valuable products such as hydrogen and syngas. The firm aims to provide climate-positive solutions by targeting heavy greenhouse gas emitters, including those from landfills, wastewater, biomass, and biogas sites. By promoting a decentralized and community-based production model, ReCarbon enables on-site and on-demand generation of low-carbon syngas and clean hydrogen, contributing to the development of a sustainable hydrogen economy from waste emissions.

Trove

Seed Round in 2013
Trove is a leading company in the branded resale and trade-in industry, primarily based in Ann Arbor, Michigan. The company provides a sophisticated platform that enables brands to efficiently launch, manage, and scale their resale programs, capturing over 75% of the U.S. branded resale market. Trove's platform offers advanced tools for in-store and digital trade-ins, returns processing, and inventory management, which empower brands to connect with diverse customer demographics and optimize their resale strategies through comprehensive analytics. Trove collaborates with notable brands, including Canada Goose, Michael Kors, and Patagonia, enhancing their ability to manage non-new inventory and enabling peer-to-peer sales. As a Certified B Corporation, Trove emphasizes sustainability in retail, aiming to combine commerce with environmental responsibility and drive the industry toward a more sustainable future.
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