S2G Ventures

S2G Ventures is a Chicago-based, multi-stage investment firm focused on fostering innovation across food and agriculture, oceans, and energy. Founded in 2014, it targets late-stage venture and growth investments and maintains a portfolio spanning seed, venture, and growth rounds. The firm backs entrepreneurs delivering market-driven solutions that transform food systems and related sectors, including ingredients, infrastructure and logistics, food safety technology, retail and consumer brands, as well as opportunities in ocean and energy domains. Its objective is to catalyze healthier, sustainable, and locally sourced food systems through investments that cover agricultural products, logistics, and consumer offerings.

Arthur Chow

Vice President

Kate Danaher

Managing Director

Priyanka Duvvuru

Vice President

Sanjeev Krishnan

Senior Managing Director and Chief Investment Officer

Larsen Mettler

Managing Director, Oceans and Seafood

Past deals in CleanTech

Electra

Series B in 2025
Electra is a company dedicated to revolutionizing iron and steel production by significantly reducing carbon dioxide emissions. It specializes in alternative steelmaking technology that employs innovative electrochemical and hydrometallurgical processes. By electrifying and decarbonizing the steelmaking process, Electra enables the production of low-carbon clean iron from various ores and renewable energy sources. This approach not only minimizes the environmental impact associated with traditional steel production but also helps companies lower energy intensity and costs, promoting sustainability within the industry.

Shiru

Series B in 2024
Shiru, Inc. is a food technology company based in Oakland, California, established in 2019. It specializes in the development and production of proteins aimed at replacing dairy products and eggs within the food industry. Utilizing artificial intelligence, bioinformatics, and precision biology, Shiru focuses on the discovery and creation of novel, sustainable protein ingredients. By leveraging computational design, the company aims to provide enhanced protein solutions that support environmentally friendly practices while meeting consumer demands. Shiru's innovative approach positions it at the forefront of efforts to create sustainable and healthier food options.

REsurety

Series C in 2024
REsurety, Inc. is a risk transfer intermediary focused on enhancing the profitability of wind power projects through innovative risk management solutions. Founded in 2012 and based in Boston, Massachusetts, the company specializes in providing data, analytics, and related services that help clients evaluate, quantify, and optimize the value of wind volume hedging. By streamlining the process of risk transfer, REsurety supports wind project developers, owners, and financial underwriters in effectively managing the inherent risks associated with renewable energy investments. The company's technology integrates physical science, big data, and financial engineering, enabling clients to make informed decisions that maximize the resilience and sustainability of clean energy projects.

Applied Carbon

Series A in 2024
Applied Carbon is a company focused on developing innovative mobile pyrolysis systems that produce biochar and sequester carbon on a large scale. Their technology targets degraded or blighted lands in urban and peri-urban areas, efficiently converting on-site biomass waste into biochar, a sustainable form of charcoal derived from agricultural waste. This process not only facilitates organic waste disposal but also enhances soil health by improving nutrient and water retention and aiding in the remediation of contaminants. By trapping atmospheric carbon, Applied Carbon aims to contribute to environmental sustainability and soil regeneration while addressing the challenges posed by climate change.

38 Degrees North

Venture Round in 2024
38 Degrees North is a renewable energy company focused on developing and operating sustainable infrastructure, including solar and utility-scale facilities, battery storage, and distributed energy resources. It emphasizes development-stage projects such as distributed generation and community solar, and supports projects from development through to operation, enabling developers, businesses, landowners, and communities to create and run renewable energy assets.

Intelligent Growth Solutions

Series C in 2024
Intelligent Growth Solutions Ltd is a company that specializes in developing and providing advanced vertical farming technology for indoor food production. Founded in 2013 and based in Dundee, United Kingdom, the company offers a plug-and-play solution that includes an indoor vertical farming demonstration facility. This facility features an Internet of Things (IoT)-enabled power and communications platform, incorporating patented electrical, electronic, and mechanical technologies. Intelligent Growth Solutions is committed to creating optimal growing environments for plants and enhancing user experience through continuous innovation and effective design.

Electric Hydrogen

Series C in 2023
Electric Hydrogen is a company focused on deep decarbonization by developing low-cost, high-efficiency systems for producing fossil-free hydrogen. The company targets industrial sectors such as ammonia and steel production, which contribute significantly to global greenhouse gas emissions. By rethinking electrolysis technology from scratch, Electric Hydrogen aims to make clean hydrogen competitive with traditional methods in terms of cost and scale. Their advanced PEM (Proton Exchange Membrane) technology uses renewable electricity to generate clean hydrogen gas, reducing industrial pollution and dependence on fossil fuels. The company's leadership team brings extensive experience from pioneering clean energy companies like Tesla and First Solar, positioning Electric Hydrogen as a strong contender in the quest for zero-emission industrial processes.

Matter.

Series A in 2023
Matter is a tech startup based in Bristol that specializes in developing innovative solutions to capture, harvest, and recycle microplastics. The company focuses on eliminating microplastic contamination at various levels, including residential, commercial, and industrial settings. Their technology is designed to filter water and capture plastic micropollutants from wastewater systems, thereby improving water quality and reducing pollution risk. By making these microplastics valuable for safe reuse, Matter aims to address environmental concerns related to microplastic contamination.

tado°

Venture Round in 2023
tado° GmbH is a technology company based in Munich, Germany, with an additional office in London, United Kingdom. Founded in 2010, it specializes in developing and marketing innovative home climate control systems that enhance the efficiency of heating and cooling in residential and small business environments. The company's products integrate a hardware-software combination that leverages real-time data on resident behavior, weather forecasts, and building characteristics to optimize climate management. tado° sells its solutions through both retail outlets and online platforms, effectively bringing Internet of Things technology to the cleantech market.

Shiru

Series A in 2022
Shiru, Inc. is a food technology company based in Oakland, California, established in 2019. It specializes in the development and production of proteins aimed at replacing dairy products and eggs within the food industry. Utilizing artificial intelligence, bioinformatics, and precision biology, Shiru focuses on the discovery and creation of novel, sustainable protein ingredients. By leveraging computational design, the company aims to provide enhanced protein solutions that support environmentally friendly practices while meeting consumer demands. Shiru's innovative approach positions it at the forefront of efforts to create sustainable and healthier food options.

Soli Organic

Series D in 2022
Soli Organic is an indoor farming company that grows and supplies fresh organic culinary herbs to grocery stores year-round. It uses a vertically integrated approach to produce living organic plants with fresh-cut leaves, including lime leaves, rosemary, chives, and arugula, grown regionally to emphasize freshness and sustainability. By delivering a steady, locally produced supply of herbs, the company aims to provide high-quality, flavorful products to retailers and their customers.

Electra

Venture Round in 2022
Electra is a company dedicated to revolutionizing iron and steel production by significantly reducing carbon dioxide emissions. It specializes in alternative steelmaking technology that employs innovative electrochemical and hydrometallurgical processes. By electrifying and decarbonizing the steelmaking process, Electra enables the production of low-carbon clean iron from various ores and renewable energy sources. This approach not only minimizes the environmental impact associated with traditional steel production but also helps companies lower energy intensity and costs, promoting sustainability within the industry.

Bluestar Energy Capital

Series A in 2022
Bluestar Energy Capital is an investment firm specializing in early-stage clean energy projects. The company operates an investment platform that connects investors with advanced energy development initiatives, focusing on wind, solar, and energy storage sectors. By leveraging the expertise and resources of experienced management teams, Bluestar aims to facilitate the delivery of scalable and investable infrastructure projects. The firm is committed to addressing the scarcity of viable investment opportunities in the clean energy market, thereby promoting sustainable energy solutions.

Orange EV

Venture Round in 2022
Orange EV manufactures heavy-duty industrial electric vehicles. Established in 2012, the company designs, manufactures, delivers, and services Class 8 trucks, offering charging solutions, demo drives, warranties, financial incentives, and financing options.

Avant Meats

Venture Round in 2022
Avant Meats specializes in developing sustainable, cell-based animal protein products. They focus on innovation, branding, and intellectual property to create fish protein products free from heavy metals and microplastics.

Electric Hydrogen

Series B in 2022
Electric Hydrogen is a company focused on deep decarbonization by developing low-cost, high-efficiency systems for producing fossil-free hydrogen. The company targets industrial sectors such as ammonia and steel production, which contribute significantly to global greenhouse gas emissions. By rethinking electrolysis technology from scratch, Electric Hydrogen aims to make clean hydrogen competitive with traditional methods in terms of cost and scale. Their advanced PEM (Proton Exchange Membrane) technology uses renewable electricity to generate clean hydrogen gas, reducing industrial pollution and dependence on fossil fuels. The company's leadership team brings extensive experience from pioneering clean energy companies like Tesla and First Solar, positioning Electric Hydrogen as a strong contender in the quest for zero-emission industrial processes.

Common Energy

Venture Round in 2022
Common Energy facilitates clean energy adoption for homeowners and businesses by connecting them with local renewable projects through their existing utility accounts. This enables participants to save on electricity costs while reducing emissions.

Brilliant Planet

Series A in 2022
Brilliant Planet develops algae-based biomass production to permanently sequester carbon at large scale using open-air pond systems on coastal desert land. The approach grows microalgae without fresh water, leveraging natural processes to sequester carbon while supporting ocean and air health, and it also provides a source of protein to meet rising demand.

Wildtype

Series B in 2022
Wildtype is a San Francisco-based agtech company focused on developing clean and sustainable seafood through cellular agriculture. The company aims to address critical global challenges such as climate change, food security, and health by creating sushi-grade salmon that offers the same nutritional benefits as wild-caught fish but without contaminants like mercury, microplastics, antibiotics, or pesticides. By providing an alternative to traditional seafood, Wildtype seeks to protect wild species and oceans while contributing to the reversal of global food insecurity. The company's innovative approach positions it as a leader in redefining how meat is sourced, promoting healthier and more sustainable consumption options.

Intelligent Growth Solutions

Series B in 2021
Intelligent Growth Solutions Ltd is a company that specializes in developing and providing advanced vertical farming technology for indoor food production. Founded in 2013 and based in Dundee, United Kingdom, the company offers a plug-and-play solution that includes an indoor vertical farming demonstration facility. This facility features an Internet of Things (IoT)-enabled power and communications platform, incorporating patented electrical, electronic, and mechanical technologies. Intelligent Growth Solutions is committed to creating optimal growing environments for plants and enhancing user experience through continuous innovation and effective design.

Shiru

Series A in 2021
Shiru, Inc. is a food technology company based in Oakland, California, established in 2019. It specializes in the development and production of proteins aimed at replacing dairy products and eggs within the food industry. Utilizing artificial intelligence, bioinformatics, and precision biology, Shiru focuses on the discovery and creation of novel, sustainable protein ingredients. By leveraging computational design, the company aims to provide enhanced protein solutions that support environmentally friendly practices while meeting consumer demands. Shiru's innovative approach positions it at the forefront of efforts to create sustainable and healthier food options.

Soli Organic

Venture Round in 2021
Soli Organic is an indoor farming company that grows and supplies fresh organic culinary herbs to grocery stores year-round. It uses a vertically integrated approach to produce living organic plants with fresh-cut leaves, including lime leaves, rosemary, chives, and arugula, grown regionally to emphasize freshness and sustainability. By delivering a steady, locally produced supply of herbs, the company aims to provide high-quality, flavorful products to retailers and their customers.

Moleaer

Series B in 2021
Moleaer Inc. is a manufacturer of industrial-scale nanobubble systems, specializing in water and wastewater treatment, agricultural irrigation, and oil-water separation. Founded in 2016 and based in Torrance, California, the company develops products such as the XTB nanobubble generators, which effectively transfer gases into liquids to enhance productivity and water quality while minimizing maintenance costs. Moleaer's technology is notable for its ability to produce nanobubbles that remain suspended in water, facilitating a highly efficient gas transfer. Applications of their generators span various industries, including shrimp farming, crop irrigation, aquatic management, food washing, hydroponics, and wastewater treatment, enabling clients to improve operational efficiency and sustainability.

Hazel Technologies

Series C in 2021
Hazel Technologies develops and produces postharvest technologies that extend the shelf life of fresh produce. The company’s core product is a carton insert that releases ethylene inhibitors, such as 1‑MCP, to slow respiration and aging in fruits and vegetables, thereby reducing spoilage and waste. In addition to its hardware, Hazel offers horticultural consulting and supply‑chain solutions that help growers, shippers, and retailers optimize storage conditions and inventory management. Founded in 2015, the company is headquartered in Chicago, Illinois, with an additional site in Salinas, California. Its technologies have been validated by academic research and supported by USDA funding, positioning Hazel as a key player in improving the efficiency and sustainability of the fresh‑produce supply chain.

Intelligent Growth Solutions

Convertible Note in 2020
Intelligent Growth Solutions Ltd is a company that specializes in developing and providing advanced vertical farming technology for indoor food production. Founded in 2013 and based in Dundee, United Kingdom, the company offers a plug-and-play solution that includes an indoor vertical farming demonstration facility. This facility features an Internet of Things (IoT)-enabled power and communications platform, incorporating patented electrical, electronic, and mechanical technologies. Intelligent Growth Solutions is committed to creating optimal growing environments for plants and enhancing user experience through continuous innovation and effective design.

Terramera

Series B in 2020
Founded in 2009, Terramera develops plant-based pesticides and fertilizers. It offers products like Proof (for bed bugs and dust mites), Actigate (an organic pesticide), and Rango (a plant-based pest control). The company aims to transform agriculture by fusing artificial intelligence, science, and nature to provide sustainable alternatives to chemical pesticides and fertilizers.

Shiru

Seed Round in 2019
Shiru, Inc. is a food technology company based in Oakland, California, established in 2019. It specializes in the development and production of proteins aimed at replacing dairy products and eggs within the food industry. Utilizing artificial intelligence, bioinformatics, and precision biology, Shiru focuses on the discovery and creation of novel, sustainable protein ingredients. By leveraging computational design, the company aims to provide enhanced protein solutions that support environmentally friendly practices while meeting consumer demands. Shiru's innovative approach positions it at the forefront of efforts to create sustainable and healthier food options.

Terramera

Series B in 2019
Founded in 2009, Terramera develops plant-based pesticides and fertilizers. It offers products like Proof (for bed bugs and dust mites), Actigate (an organic pesticide), and Rango (a plant-based pest control). The company aims to transform agriculture by fusing artificial intelligence, science, and nature to provide sustainable alternatives to chemical pesticides and fertilizers.

Hazel Technologies

Series B in 2019
Hazel Technologies develops and produces postharvest technologies that extend the shelf life of fresh produce. The company’s core product is a carton insert that releases ethylene inhibitors, such as 1‑MCP, to slow respiration and aging in fruits and vegetables, thereby reducing spoilage and waste. In addition to its hardware, Hazel offers horticultural consulting and supply‑chain solutions that help growers, shippers, and retailers optimize storage conditions and inventory management. Founded in 2015, the company is headquartered in Chicago, Illinois, with an additional site in Salinas, California. Its technologies have been validated by academic research and supported by USDA funding, positioning Hazel as a key player in improving the efficiency and sustainability of the fresh‑produce supply chain.

Intelligent Growth Solutions

Series A in 2019
Intelligent Growth Solutions Ltd is a company that specializes in developing and providing advanced vertical farming technology for indoor food production. Founded in 2013 and based in Dundee, United Kingdom, the company offers a plug-and-play solution that includes an indoor vertical farming demonstration facility. This facility features an Internet of Things (IoT)-enabled power and communications platform, incorporating patented electrical, electronic, and mechanical technologies. Intelligent Growth Solutions is committed to creating optimal growing environments for plants and enhancing user experience through continuous innovation and effective design.

Footprint

Series A in 2018
Footprint LLC is a materials science technology company based in Gilbert, Arizona, that specializes in environmentally friendly packaging solutions. Founded in 2014 by former Intel engineers Troy Swope and Yoke Chung, the company focuses on eliminating single-use and short-term-use plastics in the food supply chain. Footprint designs, develops, and manufactures biodegradable, compostable, and recyclable plant-based fiber materials that not only match but exceed the performance of traditional plastics while being safe for the environment. The company's offerings include bio-based plastics and molded fiber packaging products. Over the years, Footprint has gained recognition for its innovative approach, being named to the Fortune "Change the World" list and recognized as a CNBC Disruptor 50 company. With operations in the U.S., Mexico, Europe, and Asia, Footprint is committed to meeting the growing demand for sustainable packaging solutions driven by regulatory changes and consumer preferences.

SafeTraces

Series A in 2018
SafeTraces specializes in sustainable indoor air quality management. It offers a unique IAQ verification system that actively assesses pathogen risk, ensuring safer indoor environments with proven safety measures, backed by the first UL mark for verified ventilation and filtration.

Hazel Technologies

Series A in 2018
Hazel Technologies develops and produces postharvest technologies that extend the shelf life of fresh produce. The company’s core product is a carton insert that releases ethylene inhibitors, such as 1‑MCP, to slow respiration and aging in fruits and vegetables, thereby reducing spoilage and waste. In addition to its hardware, Hazel offers horticultural consulting and supply‑chain solutions that help growers, shippers, and retailers optimize storage conditions and inventory management. Founded in 2015, the company is headquartered in Chicago, Illinois, with an additional site in Salinas, California. Its technologies have been validated by academic research and supported by USDA funding, positioning Hazel as a key player in improving the efficiency and sustainability of the fresh‑produce supply chain.

SafeTraces

Series A in 2017
SafeTraces specializes in sustainable indoor air quality management. It offers a unique IAQ verification system that actively assesses pathogen risk, ensuring safer indoor environments with proven safety measures, backed by the first UL mark for verified ventilation and filtration.

Midwestern BioAg

Venture Round in 2016
Midwestern BioAg, Inc. is a biologically-based agricultural company headquartered in Madison, Wisconsin, with additional facilities across several states. Established in 1983, it specializes in manufacturing fertilizers, livestock nutrition, seeds, and organic agricultural products. The company's offerings include a variety of fertilizer blends, both dry and liquid, along with soil amendments and livestock nutrition products tailored for different stages of animal development. Midwestern BioAg also provides mineral products designed for a range of crops, including berries, orchards, and vegetables, as well as organic fertilizers aimed at supporting sustainable farming practices. Beyond product manufacturing, the company serves as an agricultural consulting resource, helping farmers develop tailored management plans that enhance soil health, improve nutrient use efficiency, and increase the overall productivity of their farms, ultimately yielding economic and environmental benefits.

Terramera

Venture Round in 2016
Founded in 2009, Terramera develops plant-based pesticides and fertilizers. It offers products like Proof (for bed bugs and dust mites), Actigate (an organic pesticide), and Rango (a plant-based pest control). The company aims to transform agriculture by fusing artificial intelligence, science, and nature to provide sustainable alternatives to chemical pesticides and fertilizers.

Terramera

Venture Round in 2016
Founded in 2009, Terramera develops plant-based pesticides and fertilizers. It offers products like Proof (for bed bugs and dust mites), Actigate (an organic pesticide), and Rango (a plant-based pest control). The company aims to transform agriculture by fusing artificial intelligence, science, and nature to provide sustainable alternatives to chemical pesticides and fertilizers.

Soli Organic

Venture Round in 2015
Soli Organic is an indoor farming company that grows and supplies fresh organic culinary herbs to grocery stores year-round. It uses a vertically integrated approach to produce living organic plants with fresh-cut leaves, including lime leaves, rosemary, chives, and arugula, grown regionally to emphasize freshness and sustainability. By delivering a steady, locally produced supply of herbs, the company aims to provide high-quality, flavorful products to retailers and their customers.
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