Closed Loop Partners

Founded in 2014, Closed Loop Partners is a New York-based investment firm focused on driving sustainable profitability through early-stage investments. It operates across three key businesses: an investment group (Closed Loop Capital Management), an innovation center (Center for the Circular Economy), and an operating group (Closed Loop Builders). The firm aims to scale businesses that advance the transition to a circular economy, generating net-positive environmental and social outcomes.

Martin Aares

Managing Director

Lynn Bernabei

Senior Associate

Caroline Brown

Managing Director

Bridget Croke

Managing Director

Michael Gajewski

Managing Director

Ron Gonen

Investor

Amanda Hendy JD

Venture Partner

Danielle Joseph

Managing Director

Margot Kane

Chief Investment and Financial Officer

Karine Khatcherian-Pisant

Managing Director

Kate Krebs

Director of External Affairs

Matthew Larkin

Investor

Jessica Long

Managing Director

Jennifer Louie

Managing Director, Head of Private Credit and Catalytic Capital

Andrew McColm

Venture Partner

Robert (Bob) Milligan

Managing Director

Matthew Parker

Managing Director

Rene Paula

Venture Partner

Jackson Pei

Senior Associate

Maite Quinn

Managing Director

Maite Quinn- Richards

Managing Director

Boaz Schweiger

Managing Director

Tazia Smith

Managing Director

Julia Viner

Associate

Past deals in Sustainability

LAIIER

Seed Round in 2025
LAIIER is an innovative B2B technology company specializing in smart, connected solutions for early leak detection in commercial buildings and industrial facilities. With a foundation in advanced printed sensor technology, LAIIER's products, such as the Severn WLD™ smart tape, combine precision sensing, easy installation, and wireless communication to deliver real-time monitoring of water and hydrocarbon leaks. These solutions mitigate damage, reduce operational downtime, and enhance sustainability. Leveraging a subscription-based business model, LAIIER serves industries including commercial real estate, industrial machinery, and roofing, providing actionable insights through its proprietary cloud platform. Backed by a portfolio of patents and collaborations with leading industry partners, LAIIER is driving innovation at the intersection of IoT and sustainability, empowering businesses to prevent costly leaks while reducing their environmental footprint​​​.

Earthodic

Seed Round in 2024
Earthodic is an Australian company specializing in biobased coatings. It develops functional coatings designed to reduce reliance on non-renewable resources, focusing on water-resistant coatings for paper products.

Neutreeno

Seed Round in 2024
Neutreeno is a deep tech spinout from the University of Cambridge that specializes in developing an intelligent decarbonization system aimed at helping businesses achieve net zero emissions. The company's system is scientifically designed to prevent emissions at their source while providing clarity and transparency throughout the complex value chain. Neutreeno's technology offers efficiency insights that empower clients to analyze resource efficiency, minimize waste, and enhance circularity, ultimately guiding them towards achieving absolute zero emissions.

Frate

Seed Round in 2024
Frate specializes in peer-to-peer e-commerce returns automation. Its platform facilitates direct customer-to-customer return shipments, aiming to enhance retailer profitability while promoting sustainability.

Eureka Recycling

Debt Financing in 2024
Eureka Recycling is an organization that offers products and services that concentrate on reducing waste through reuse, recycling, and composting. Its goal is to show that waste is avoidable, not inevitable. The group provides answers to the social, environmental, and health issues brought on by garbage through its services, projects, and policy work. It includes a number of programs that include waste reduction, producer responsibility, reuse, recycling, and composting to stop the wasteful loss of economic garbage.

Mycocycle

Seed Round in 2024
Mycocycle is an environmental remediation company that specializes in decarbonizing waste streams through the innovative use of fungi in a process known as mycoremediation. By employing engineered ecosystems, Mycocycle treats waste materials to produce a non-toxic biomass that can be repurposed for the manufacture of new products. The company's services are particularly beneficial to waste management companies, landfill operators, material recycling facilities, and manufacturers seeking to implement closed-loop processes. Mycocycle's technology diverts toxic materials from landfills and enables businesses to reuse feedstock in manufacturing or recycle it for various applications, thereby promoting sustainable waste management practices.

Found Energy

Seed Round in 2024
Found Energy develops aluminum-based fuel that converts aluminum scrap and waste into a carbon-free energy carrier. It recovers aluminum waste from landfills and, through a carbon-free process, produces hydrogen on demand at under $0.50 per kilogram, with hydrogen having five times the volumetric energy density of liquid hydrogen. The aluminum fuel is designed to supply carbon-free thermal power to heavy industries, offering competitiveness with fossil fuels in price and energy density and enabling a faster transition to renewable energy.

Sage Sustainable Electronics

Acquisition in 2023
Sage Sustainable Electronics is a Columbus-based company specializing in IT asset management and disposition services. With over three decades of combined experience in its leadership team, Sage aims to extend the life of used electronics, making the world more sustainable. The company offers comprehensive lifecycle services such as hardware appraisals, redeployments, secure logistics, data destruction, and data retention, helping customers achieve residual value from assets while reducing carbon impact.

Earthodic

Pre Seed Round in 2023
Earthodic is an Australian company specializing in biobased coatings. It develops functional coatings designed to reduce reliance on non-renewable resources, focusing on water-resistant coatings for paper products.

EcoSpirits

Venture Round in 2023
EcoSpirits is a company focused on creating a closed-loop distribution system aimed at minimizing packaging waste within the premium spirits supply chain. It has developed innovative technology that includes a fully reusable, tamper-proof, and shock-proof glass vessel, alongside a semi-automated facility for sanitizing, refilling, and sealing spirits. This approach not only significantly reduces packaging and transport costs for businesses but also leads to a substantial reduction in carbon footprints. By streamlining the distribution process, EcoSpirits offers a sustainable alternative that benefits both the environment and the bottom line.

Solarcycle

Series A in 2023
Solarcycle is a solar technology company focused on creating a circular economy for solar and renewable energy sectors. It specializes in recycling and reusing decommissioned solar panels and technologies, providing an affordable and eco-friendly service to solar asset owners. Utilizing its patented technology, Solarcycle can recover up to 95% of valuable metals such as silver, silicon, copper, and aluminum from solar panels. Additionally, the company repurposes or recycles panels that are still in use, contributing to the sustainability of clean energy by making it completely renewable.

Ucrop.it

Seed Round in 2022
Ucrop.it operates a blockchain-based platform that promotes agricultural sustainability globally. It connects farmers and companies, ensuring transparent monitoring of land use and farming practices. The platform enables verification of sustainable practices, facilitating collaboration and economic benefits for all parties involved.

Ucrop.it

Seed Round in 2022
Ucrop.it operates a blockchain-based platform that promotes agricultural sustainability globally. It connects farmers and companies, ensuring transparent monitoring of land use and farming practices. The platform enables verification of sustainable practices, facilitating collaboration and economic benefits for all parties involved.

Solarcycle

Seed Round in 2022
Solarcycle is a solar technology company focused on creating a circular economy for solar and renewable energy sectors. It specializes in recycling and reusing decommissioned solar panels and technologies, providing an affordable and eco-friendly service to solar asset owners. Utilizing its patented technology, Solarcycle can recover up to 95% of valuable metals such as silver, silicon, copper, and aluminum from solar panels. Additionally, the company repurposes or recycles panels that are still in use, contributing to the sustainability of clean energy by making it completely renewable.

By Rotation

Seed Round in 2022
By Rotation is a pioneering social fashion rental application that facilitates the sharing of wardrobes among users. The platform allows individuals to rent, lend, sell, and rotate clothing items, promoting sustainable fashion consumption. Users can list their clothing with flexible pricing and rental durations, while also receiving rental requests. The application features a secure messaging system that enables communication between lenders and renters, enhancing the rental experience. By Rotation aims to transform the fashion industry by encouraging users to make eco-conscious choices that benefit both their personal style and the environment.

Mori

Series B in 2022
Mori, formerly known as Overlook Research, is a company that develops a natural biopolymer coating designed to extend the shelf life of perishable foods. Founded in 2016 and headquartered in Boston, Massachusetts, Mori's innovative coating is made from proteins extracted from natural silk using salt and water. This protective layer helps slow the spoiling process of various food items, including fruits, vegetables, meat, and seafood, thereby reducing food waste. By focusing on sustainable and economical solutions, Mori aims to transform the food supply and enhance the efficiency of the food, agriculture, and packaging industries.

Evergreen

Funding Round in 2021
Evergreen is a plastic recycling and polyester resin production company that operates as a division of Greenbridge. Established in 1998, Evergreen was created to ensure a sustainable and reliable supply of high-quality polyester resin, specifically for the company’s range of PET strapping products. The firm focuses on recycling plastics to contribute to environmental sustainability while meeting the demands of its customers in the polyester resin market.

Just Salad

Private Equity Round in 2021
Just Salad is a fast-casual restaurant chain specializing in healthy, affordable meals. It offers salads, wraps, smoothies, soups, and other nutritious options. The company prioritizes sustainability through initiatives like its Reusable Bowl Program, carbon-labeled menus, compostable packaging, and recycling programs.

Dimpora

Seed Round in 2021
Dimpora AG, based in Zürich, Switzerland, specializes in the design and manufacture of eco-friendly functional membranes for the outdoor textile industry. The company produces waterproof, fluorine-free membranes primarily made from polyurethane, utilizing a template removal approach to create porosity that enhances breathability. Dimpora's innovative technology allows for the direct application of membranes onto various surfaces, facilitating fast moisture transport while ensuring complete rain protection. Committed to sustainability, Dimpora aims to develop high-performance membranes that enable outdoor enthusiasts to enjoy nature responsibly, with a focus on creating next-generation solutions that may incorporate recyclable materials.

Algramo

Series A in 2021
Algramo is a Chilean company founded in 2013 that specializes in the retail of consumer products through automated dispensing machines utilizing returnable containers. Its business model focuses on providing basic necessity items, such as detergents, rice, and oil, in bulk to address affordability issues faced by low-income families, often referred to as the "poverty tax." By establishing wholesale relationships with manufacturers, Algramo purchases products in larger quantities, thereby reducing packaging costs without compromising quality. This innovative approach not only lowers prices for consumers but also minimizes the environmental impact of packaging waste. Algramo's automated dispensing platform enables customers to buy the precise amount of products they need at competitive prices, promoting a sustainable and cost-effective distribution system.

Mori

Series B in 2021
Mori, formerly known as Overlook Research, is a company that develops a natural biopolymer coating designed to extend the shelf life of perishable foods. Founded in 2016 and headquartered in Boston, Massachusetts, Mori's innovative coating is made from proteins extracted from natural silk using salt and water. This protective layer helps slow the spoiling process of various food items, including fruits, vegetables, meat, and seafood, thereby reducing food waste. By focusing on sustainable and economical solutions, Mori aims to transform the food supply and enhance the efficiency of the food, agriculture, and packaging industries.

Thrive Lot

Seed Round in 2021
Thrive Lot designs, installs, and maintains sustainable outdoor spaces using agroecological landscaping and systems design. It creates habitats for pollinators, wildlife, and resilient soils by mimicking natural patterns and promoting self-sufficiency. The company offers end-to-end project oversight from initial concept through installation and ongoing maintenance, guided by master growers who apply ecological principles to craft durable landscapes that balance beauty with sustainability.

Ucrop.it

Seed Round in 2020
Ucrop.it operates a blockchain-based platform that promotes agricultural sustainability globally. It connects farmers and companies, ensuring transparent monitoring of land use and farming practices. The platform enables verification of sustainable practices, facilitating collaboration and economic benefits for all parties involved.

Mori

Series A in 2020
Mori, formerly known as Overlook Research, is a company that develops a natural biopolymer coating designed to extend the shelf life of perishable foods. Founded in 2016 and headquartered in Boston, Massachusetts, Mori's innovative coating is made from proteins extracted from natural silk using salt and water. This protective layer helps slow the spoiling process of various food items, including fruits, vegetables, meat, and seafood, thereby reducing food waste. By focusing on sustainable and economical solutions, Mori aims to transform the food supply and enhance the efficiency of the food, agriculture, and packaging industries.

Reterra

Venture Round in 2020
Reterra Corporation, headquartered in Houston, Texas, specializes in recycling polyethylene terephthalate (PET) waste materials such as bottles, films, and thermoforms. The company's core business involves transforming these waste products into valuable intermediary products like RetroSeed, a polyol used for resin production. By offering innovative recycling solutions, Reterra enables businesses to incorporate more recycled content into their supply chains while reducing the cost of PET recycling.

Rebound Technologies

Series A in 2020
Rebound Technologies manufactures innovative thermal energy storage systems for commercial freezer environments and off-grid cooling. Its flagship products include IcePoint, a low-temperature refrigeration solution for supermarkets, and SunChill, an off-grid refrigeration system designed to improve agricultural productivity by removing field heat from crops post-harvest. The company's solutions are used by retail stores and farmers in the United States.

The Renewal Workshop

Series A in 2019
The Renewal Workshop Inc. is a company based in Cascade Locks, Oregon, that specializes in manufacturing renewed apparel and upcycled materials from discarded textiles. Founded in 2014, it partners with well-known brands and retailers to transform unsellable returns and excess inventory into a range of products, including jackets, sweatshirts, pants, and swimwear, as well as accessories like luggage packs and gift cards. By integrating resale and renewal services, the company aims to reduce waste in the fashion industry and promote sustainable practices. Through its initiatives, The Renewal Workshop enables clothing brands to enhance their revenue while minimizing their environmental footprint. Its products are available for purchase both online and in physical stores.

Evrnu

Series A in 2019
Evrnu is a textile innovations company that specializes in producing engineered fibers from discarded clothing. By employing advanced regenerative fiber technologies, the company transforms textile waste into high-quality fiber sources. Its process involves breaking down cotton garment waste to the molecular level and reconstructing it into new, useful products. Evrnu's offerings include regenerative cellulosic and polyester fibers, as well as recoverable stretch materials, which provide significant environmental benefits. Through these innovations, Evrnu aims to create a circular ecosystem in the textile industry, promoting sustainability and reducing waste.

Mori

Seed Round in 2019
Mori, formerly known as Overlook Research, is a company that develops a natural biopolymer coating designed to extend the shelf life of perishable foods. Founded in 2016 and headquartered in Boston, Massachusetts, Mori's innovative coating is made from proteins extracted from natural silk using salt and water. This protective layer helps slow the spoiling process of various food items, including fruits, vegetables, meat, and seafood, thereby reducing food waste. By focusing on sustainable and economical solutions, Mori aims to transform the food supply and enhance the efficiency of the food, agriculture, and packaging industries.

CLUBZERØ

Grant in 2019
CLUBZERØ is an innovative AI-powered packaging system that addresses global packaging waste challenges. It offers a scalable, cost-effective alternative to single-use packaging for cities, brands, and businesses. CLUBZERØ provides full-service packaging solutions, including drop points and logistics, with up to 30% savings compared to single-use options. Unlike compostable alternatives, it achieves true zero waste through a circular model, reducing CO2 emissions by up to 93%. CLUBZERØ uses AI for interoperability, accommodating diverse packaging types.

Algaeing

Venture Round in 2019
Algaeing is a manufacturer of algae-based dyes and inks for fabrics and textiles, focusing on sustainable production that uses significantly less water and energy than traditional methods and is free of hazardous toxins. Its environmentally friendly dyes enable textile manufacturers and brands to color fabrics while reducing environmental impact and appealing to eco-conscious consumers.

For Days

Seed Round in 2018
For Days is a sustainable apparel company focused on promoting a circular economy by manufacturing and recycling textiles. It offers tees and other clothing on subscription and membership models and operates a take-back program that allows customers to return worn items for recycling, supporting a closed-loop system to reduce textile waste. The company also runs the Trashie rewards platform, which provides incentives for customers to participate in clothing recycling at scale and offers a range of goods beyond apparel, including skincare, home essentials and accessories. Based in Brooklyn and established in 2016, the company aims to reduce environmental impact through comprehensive recycling and reuse of used textiles.

rPlanet Earth

Venture Round in 2018
RPlanet Earth specializes in providing sustainable packaging solutions by focusing on the recycling and reuse of post-consumer plastics. The company's core process involves decontaminating and recycling post-consumer PET plastics into high-quality rPET content packaging products. This approach ensures a consistent supply of efficient, quality materials for various plastic packaging needs while maintaining a low carbon footprint. By manufacturing these recycled products under one roof, RPlanet Earth offers clients superior packaging solutions at competitive prices, contributing to a closed-loop system for plastic waste management.

Homebiogas

Corporate Round in 2018
Homebiogas Ltd is an Israeli company established in 2012, specializing in the development and manufacture of compact anaerobic digestion systems for residential use. The company’s innovative technology transforms household food scraps and animal manure into clean cooking gas and liquid fertilizer, addressing both waste management and energy needs in an environmentally friendly manner. Homebiogas markets its products through a network of distributors, ensuring accessibility to its advanced and cost-effective solutions. By maintaining high safety and health standards, Homebiogas aims to promote sustainable living and reduce reliance on traditional energy sources.

TemperPack Technologies

Venture Round in 2018
TemperPack Technologies designs and manufactures thermal packaging for insulated and temperature-sensitive goods, including shipping containers, one-piece boxes, two-piece liners, and temper sleeves for perishable foods, medicines, specimens, prepared meals, seafood, meats, and desserts. It serves e-commerce food companies in the United States, United Kingdom, and Canada. Founded in 2015 and based in Richmond, Virginia, it operates facilities in Richmond and Las Vegas. The company focuses on sustainable design and custom solutions for the perishable food and life sciences industries, and has developed a curbside recyclable insulated shipping solution using food-safe, recyclable materials designed to support large-scale supply chains while reducing single-use plastics.

First Star Recycling

Debt Financing in 2018
First Star Recycling provides recycling practices for homeowners and businesses to manage their waste. They help their communities and surrounding areas reduce their waste going to landfills and make the most from their wasted resources. They provide residential recycling and resource management services.

GreenMantra Technologies

Series D in 2017
GreenMantra Technologies Ltd. is a Canadian company based in Brantford that specializes in the manufacturing and marketing of synthetic waxes, polymer additives, and other chemicals derived from recycled plastics. Founded in 2010, the company utilizes a proprietary thermo-catalytic system that employs catalytic depolymerization technology to convert waste plastics, including challenging materials like grocery bags and films, into high-value waxes and specialty chemicals. These products find diverse applications across various industries, including coatings, plastic processing, adhesives, roofing, and paving. By focusing on the up-cycling of hard-to-recycle plastics, GreenMantra aims to contribute to sustainable manufacturing practices and promote the use of recyclable materials in industrial processes.

Rebound Technologies

Seed Round in 2017
Rebound Technologies manufactures innovative thermal energy storage systems for commercial freezer environments and off-grid cooling. Its flagship products include IcePoint, a low-temperature refrigeration solution for supermarkets, and SunChill, an off-grid refrigeration system designed to improve agricultural productivity by removing field heat from crops post-harvest. The company's solutions are used by retail stores and farmers in the United States.

Natural Machines

Venture Round in 2017
Natural Machines specializes in innovative 3D printing solutions for personalized products across industries such as food, personal care, and pharmaceuticals. Their flagship product, Foodini, is a 3D food printer using real food ingredients. The company aims to promote sustainable lifestyles by reducing waste and contributing to responsible consumption and production, aligning with UN Sustainable Development Goal 12.

Loliware

Seed Round in 2017
Founded in 2015, Loliware is a materials technology company dedicated to replacing single-use plastics with biodegradable alternatives derived from seaweed. Its mission is to advance the planet towards a plastic-free, decarbonized future by developing products designed to disappear. The company's first product is a home-compostable, ocean-safe drinking straw, but its focus extends to six new products across various single-use plastic categories by 2023.

Drought Diet Prouducts

Non Equity Assistance in 2017
Drought Diet Products is a manufacturer focused on creating innovative solutions for sustainable agriculture. The company has developed a climate-resilient tool designed to efficiently apply water to crops while minimizing waste from evaporation and deep percolation. This tool features sub-irrigation zone pipes that utilize greywater and rainwater catchment systems. Additionally, Drought Diet Products incorporates post-consumer film plastic feedstock in its irrigation piping, addressing both water conservation needs and the challenges associated with film plastic recycling. Through these efforts, the company aims to support farmers in enhancing water efficiency and promoting environmental sustainability.

Eureka Recycling

Funding Round in 2016
Eureka Recycling is an organization that offers products and services that concentrate on reducing waste through reuse, recycling, and composting. Its goal is to show that waste is avoidable, not inevitable. The group provides answers to the social, environmental, and health issues brought on by garbage through its services, projects, and policy work. It includes a number of programs that include waste reduction, producer responsibility, reuse, recycling, and composting to stop the wasteful loss of economic garbage.

Evergreen

Venture Round in 2016
Evergreen is a plastic recycling and polyester resin production company that operates as a division of Greenbridge. Established in 1998, Evergreen was created to ensure a sustainable and reliable supply of high-quality polyester resin, specifically for the company’s range of PET strapping products. The firm focuses on recycling plastics to contribute to environmental sustainability while meeting the demands of its customers in the polyester resin market.

Atlas Organics

Seed Round in 2015
Atlas Organics Inc. is a company that specializes in organics recycling services, focusing on the collection and recycling of food and yard waste. Founded in 2013 and headquartered in Spartanburg, South Carolina, the company operates in various regions, including San Antonio, Texas, and has established partnerships with municipalities to promote sustainability. Atlas Organics serves a diverse clientele, including businesses, schools, hospitals, and restaurants, by converting collected organic waste into high-quality compost products for agricultural, landscaping, and home gardening applications. The company aims to advance the "table to farm" movement, helping its customers achieve their sustainability goals while diverting compostable waste from landfills. Through its composting facilities, Atlas Organics contributes essential nutrients to soil health and supports the growth of beneficial microorganisms.

Algramo

Seed Round in 2015
Algramo is a Chilean company founded in 2013 that specializes in the retail of consumer products through automated dispensing machines utilizing returnable containers. Its business model focuses on providing basic necessity items, such as detergents, rice, and oil, in bulk to address affordability issues faced by low-income families, often referred to as the "poverty tax." By establishing wholesale relationships with manufacturers, Algramo purchases products in larger quantities, thereby reducing packaging costs without compromising quality. This innovative approach not only lowers prices for consumers but also minimizes the environmental impact of packaging waste. Algramo's automated dispensing platform enables customers to buy the precise amount of products they need at competitive prices, promoting a sustainable and cost-effective distribution system.
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