Rhapsody Venture Partners

ChEmpower is an advanced materials company focused on enhancing semiconductor manufacturing through the development of innovative planarization pads. These pads are designed to be chemically reactive and abrasive-free, allowing for a more efficient polishing process in the production of advanced semiconductors. By eliminating the need for traditional abrasives, ChEmpower's products enable semiconductor manufacturers to streamline their processes, reduce the number of steps involved, and improve overall throughput. Additionally, the company's environmentally sustainable approach contributes to improved chip yields and aligns with industry efforts to enhance sustainability in semiconductor fabrication.

Adden Energy is a developer of advanced lithium-metal solid-state batteries, focusing on innovative technologies that support the mass adoption of electric vehicles. The company has achieved remarkable performance metrics, including charge times as short as three minutes and impressive capacity retention exceeding 10,000 cycles in laboratory conditions. By creating these cutting-edge energy storage solutions, Adden Energy aims to significantly enhance the sustainability of electric vehicles, thereby contributing to a cleaner and more environmentally friendly future.

Tender Food is a startup developing plant-based and cultured meat alternatives. Founded by Harvard researchers, they use novel technology to spin plant proteins into fibrous structures resembling real meat's texture.

Wavelogix specializes in developing an IoT sensing and data analytics platform aimed at enhancing infrastructure testing and monitoring. The company primarily focuses on public infrastructure, commercial construction, and precast concrete markets. Its innovative system provides real-time, in-place measurements of concrete strength without requiring pre-established maturity curves or indices. This capability ensures that construction engineers have access to accurate data, which simplifies workflows and facilitates informed, data-driven decisions regarding materials selection, construction schedules, budgets, and the allocation of critical resources. By digitizing the construction industry, Wavelogix aims to improve operational efficiency and optimize project outcomes.

Holiferm Limited, founded in 2018 and based in Manchester, United Kingdom, is a manufacturer specializing in the production of biosurfactants through innovative fermentation technology. The company focuses on environmentally friendly methods, utilizing gravity separation to recover insoluble lipids during the fermentation process. This approach enables cost-efficient production of bio-based materials, making Holiferm a key player in the sustainable manufacturing sector. Currently, Holiferm is in the process of constructing a large-scale manufacturing plant to produce sophorolipids, further solidifying its commitment to bringing biosurfactants to market.

Polaris Electro-Optics specializes in the development of ferroelectric nematic liquid crystals aimed at enhancing the performance of electro-optic modulators. By leveraging patented material and design innovations, the company delivers integrated photonics solutions that are both fast and energy-efficient. These advancements enable the communications and computation sectors to transmit data with increased speed and reliability, positioning Polaris Electro-Optics as a key player in the evolving landscape of integrated photonics technology.

SpinDrive specializes in the development of advanced levitation technology focused on enhancing energy efficiency and promoting oil-free solutions. The company manufactures magnetic bearing systems that are designed to minimize energy losses in machinery. These systems include a magnetic bearing sensor that accurately monitors the position of the shaft and relays this information to a magnetic bearing controller. This innovative approach allows clients to significantly improve the efficiency of their systems, reduce material consumption, and lower maintenance costs. SpinDrive’s commitment to creating customized solutions positions it as a leader in the pursuit of sustainable and efficient technology.

GPR, established in 2016, specializes in developing and manufacturing high-precision vacuum and process chambers, catering to diverse industries. Their product range includes chambers of varying sizes, constructed from materials like stainless steel, aluminum, and specialized materials, all meeting stringent tolerance and aesthetic requirements. GPR also offers comprehensive testing services, including helium leak testing, residual gas analysis, high-level vacuum testing, and custom-specific tests. Additionally, the company has ventured into the development of ground positioning radar technology for autonomous vehicles, enabling reliable navigation in challenging environments and poor GPS signal conditions.

Tendo Technologies is an industrial technology company focused on the development and manufacturing of advanced flow sensors and dispensing systems for commercial and industrial applications. Utilizing innovative elastic filament velocimetry technology, Tendo produces miniature sensors capable of precisely detecting low flow rates and measuring temperature. Their solutions cater to various sectors, including medical, agriculture, food, and manufacturing, enabling these industries to monitor flow rate and pressure measurements effectively. By leveraging advancements in high-fidelity flow measurement, Tendo aims to enhance flow sensing accuracy while maintaining a cost-effective approach.

pH7 is a cleantech company focused on the sustainable extraction and refining of strategic metals essential for the transition to renewable energy. The firm has developed an innovative process to extract platinum group metals (PGMs) from both primary and secondary resources, including waste materials. This process operates on-site at locations such as mines, scrap yards, and recycling facilities, utilizing green, biodegradable, and recyclable solvents instead of traditional smelting methods. By employing a closed-loop system, pH7's approach minimizes waste generation and eliminates toxic off-gassing, thereby addressing key operational challenges faced by chemical factories while promoting environmental sustainability.

Founded in Montreal, Quebec in 2020, Latys develops proprietary metasurface technology for ultra-compact, dynamically reconfigurable wireless relays. These relays are inherently immune to interference, multipath fading, and noise, enabling full-duplex communications that are protocol and modulation-agnostic.

Chinova Bioworks develops natural antimicrobial solutions based on a chitosan polymer derived from fungal-sourced technology, offering broad-spectrum protection to extend the shelf life of juices and other products. The company targets the beverage industry and broader markets, including foods, cosmetics, and personal care items, with a natural preservative designed to reduce spoilage and waste. Founded in 2016 and based in Fredericton, Canada.

Nodar, Inc. is a technology company based in Boston, Massachusetts, specializing in advanced sensor systems for various transportation modes, including cars, trucks, drones, ships, trains, and aircraft. Founded in 2018, Nodar develops innovative camera-based 3D vision systems, notably the Nodar Longbow and Hammerhead products. These systems utilize off-the-shelf cameras to provide long-range, high-precision depth sensing, making them suitable for Level 3 and Level 4 autonomous vehicle applications. Their technology is designed to enhance safety and performance in vehicles by enabling features such as collision warning, path planning, automatic emergency braking, and parking assistance. Nodar aims to deliver reliable and cost-effective sensor solutions that meet the evolving demands of the automotive, marine, and railway industries.

Biophilica is a company focused on transforming green waste into a sustainable, leather-like material. They have developed Treekind, a plastic-free and polyurethane-free leather substitute made from non-edible agricultural feedstock and lignocellulosic materials sourced from urban parks and gardens. Biophilica's innovative processes yield recyclable and compostable materials that serve as non-toxic alternatives to traditional leather, catering to clients seeking environmentally friendly options. Through their commitment to sustainable practices, Biophilica aims to contribute to reducing plastic waste in the fashion and material industries.

Adden Energy is a developer of advanced lithium-metal solid-state batteries, focusing on innovative technologies that support the mass adoption of electric vehicles. The company has achieved remarkable performance metrics, including charge times as short as three minutes and impressive capacity retention exceeding 10,000 cycles in laboratory conditions. By creating these cutting-edge energy storage solutions, Adden Energy aims to significantly enhance the sustainability of electric vehicles, thereby contributing to a cleaner and more environmentally friendly future.

Tender Food is a startup developing plant-based and cultured meat alternatives. Founded by Harvard researchers, they use novel technology to spin plant proteins into fibrous structures resembling real meat's texture.

Holiferm Limited, founded in 2018 and based in Manchester, United Kingdom, is a manufacturer specializing in the production of biosurfactants through innovative fermentation technology. The company focuses on environmentally friendly methods, utilizing gravity separation to recover insoluble lipids during the fermentation process. This approach enables cost-efficient production of bio-based materials, making Holiferm a key player in the sustainable manufacturing sector. Currently, Holiferm is in the process of constructing a large-scale manufacturing plant to produce sophorolipids, further solidifying its commitment to bringing biosurfactants to market.

Verdafresh specializes in the manufacture of innovative packaging solutions aimed at preserving food freshness. The company focuses on mono-material packaging that utilizes barrier coating on films, providing a sustainable alternative to traditional materials. Verdafresh's offerings include flexible packaging and recycling services, allowing clients to extend the shelf life of food products while promoting recyclability. By using natural and abundant materials, Verdafresh delivers a competitive cost solution that addresses both food preservation needs and environmental concerns related to plastic waste.

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.

GPR, established in 2016, specializes in developing and manufacturing high-precision vacuum and process chambers, catering to diverse industries. Their product range includes chambers of varying sizes, constructed from materials like stainless steel, aluminum, and specialized materials, all meeting stringent tolerance and aesthetic requirements. GPR also offers comprehensive testing services, including helium leak testing, residual gas analysis, high-level vacuum testing, and custom-specific tests. Additionally, the company has ventured into the development of ground positioning radar technology for autonomous vehicles, enabling reliable navigation in challenging environments and poor GPS signal conditions.

Tender Food is a startup developing plant-based and cultured meat alternatives. Founded by Harvard researchers, they use novel technology to spin plant proteins into fibrous structures resembling real meat's texture.

Nodar, Inc. is a technology company based in Boston, Massachusetts, specializing in advanced sensor systems for various transportation modes, including cars, trucks, drones, ships, trains, and aircraft. Founded in 2018, Nodar develops innovative camera-based 3D vision systems, notably the Nodar Longbow and Hammerhead products. These systems utilize off-the-shelf cameras to provide long-range, high-precision depth sensing, making them suitable for Level 3 and Level 4 autonomous vehicle applications. Their technology is designed to enhance safety and performance in vehicles by enabling features such as collision warning, path planning, automatic emergency braking, and parking assistance. Nodar aims to deliver reliable and cost-effective sensor solutions that meet the evolving demands of the automotive, marine, and railway industries.

Sensatek Propulsion Technology, Inc. is a technology company that specializes in the development of advanced wireless ceramic sensors designed to withstand extreme conditions, such as high temperatures, pressure, and strain. Their flagship product, Smartjet, enables the wireless monitoring of harsh environments within applications like fuel cells and gas turbine engines. The company also offers a solution called Vision AI, which utilizes video pixel data to perform wireless vibration and condition monitoring, providing insights into issues that may lead to system inefficiencies. Established in 2015 and headquartered in Daytona Beach, Florida, Sensatek conducts research focused on the synthesis and characterization of various ceramic materials, including nano-rod composites and micro-electromechanical systems, aimed at optimizing energy assets for utilities, ensuring operational efficiency and minimizing downtime.

Chinova Bioworks develops natural antimicrobial solutions based on a chitosan polymer derived from fungal-sourced technology, offering broad-spectrum protection to extend the shelf life of juices and other products. The company targets the beverage industry and broader markets, including foods, cosmetics, and personal care items, with a natural preservative designed to reduce spoilage and waste. Founded in 2016 and based in Fredericton, Canada.

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.

SAFI-Tech is a technology company developing no-heat soldering solutions for electronics manufacturing. Its core technology uses supercooled liquid metal particles to form interconnects and conductive traces without applying heat. These particles carry liquid metal solder in a metastable state and can be released to rapidly solidify, enabling thermal-free or reduced-heat bonding. The technology supports high-density, flexible, and thinner electronics and broad substrate compatibility. SAFI-Tech markets Liquital 62, a patented liquid metal ink, and targets applications in printed and flexible electronics. The company was founded in 2014 and is based in Ames, Iowa.

Tendo Technologies is an industrial technology company focused on the development and manufacturing of advanced flow sensors and dispensing systems for commercial and industrial applications. Utilizing innovative elastic filament velocimetry technology, Tendo produces miniature sensors capable of precisely detecting low flow rates and measuring temperature. Their solutions cater to various sectors, including medical, agriculture, food, and manufacturing, enabling these industries to monitor flow rate and pressure measurements effectively. By leveraging advancements in high-fidelity flow measurement, Tendo aims to enhance flow sensing accuracy while maintaining a cost-effective approach.

Founded in 2018, HyperDamping Inc. specializes in designing, manufacturing, and delivering innovative elastic material damping products. Its patent-pending technology effectively reduces harmful vibrations, shock, noise, and harshness across various industries, including automotive, consumer electronics, and construction.

Fluid Efficiency is a Caltech spin-out focused on enhancing the safety and efficiency of lubricants, fuels, and oils. The company specializes in self-assembling MegaSupraMolecules (MSMs), a range of innovative polymers that improve the viscosity index of fuels and lubricants, making them easier to transport through pipelines. By developing these advanced molecules, Fluid Efficiency aims to reduce the energy costs associated with moving these substances, thereby enabling its clients to operate more effectively and safely in their respective industries.

Chinova Bioworks develops natural antimicrobial solutions based on a chitosan polymer derived from fungal-sourced technology, offering broad-spectrum protection to extend the shelf life of juices and other products. The company targets the beverage industry and broader markets, including foods, cosmetics, and personal care items, with a natural preservative designed to reduce spoilage and waste. Founded in 2016 and based in Fredericton, Canada.

GPR, established in 2016, specializes in developing and manufacturing high-precision vacuum and process chambers, catering to diverse industries. Their product range includes chambers of varying sizes, constructed from materials like stainless steel, aluminum, and specialized materials, all meeting stringent tolerance and aesthetic requirements. GPR also offers comprehensive testing services, including helium leak testing, residual gas analysis, high-level vacuum testing, and custom-specific tests. Additionally, the company has ventured into the development of ground positioning radar technology for autonomous vehicles, enabling reliable navigation in challenging environments and poor GPS signal conditions.

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.

GPR, established in 2016, specializes in developing and manufacturing high-precision vacuum and process chambers, catering to diverse industries. Their product range includes chambers of varying sizes, constructed from materials like stainless steel, aluminum, and specialized materials, all meeting stringent tolerance and aesthetic requirements. GPR also offers comprehensive testing services, including helium leak testing, residual gas analysis, high-level vacuum testing, and custom-specific tests. Additionally, the company has ventured into the development of ground positioning radar technology for autonomous vehicles, enabling reliable navigation in challenging environments and poor GPS signal conditions.

Fluid Efficiency is a Caltech spin-out focused on enhancing the safety and efficiency of lubricants, fuels, and oils. The company specializes in self-assembling MegaSupraMolecules (MSMs), a range of innovative polymers that improve the viscosity index of fuels and lubricants, making them easier to transport through pipelines. By developing these advanced molecules, Fluid Efficiency aims to reduce the energy costs associated with moving these substances, thereby enabling its clients to operate more effectively and safely in their respective industries.

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.

Magnolia Medical Technologies, Inc. is a medical device company based in Seattle, Washington, focused on enhancing the accuracy of diagnostic blood culture tests. Established in 2011, the company has developed SteriPath, a vacuum-assisted blood collection system designed to prevent contamination of blood samples, which can lead to misdiagnosis of sepsis. This innovative system operates by actively diverting and sequestering contaminated blood, allowing for the collection of uncontaminated samples through a separate flow path. This closed vein-to-bottle collection method aims to improve diagnostic specimen quality, thereby increasing diagnostic accuracy and improving patient outcomes. Magnolia Medical Technologies holds a robust intellectual property portfolio, including over 70 issued patents and more than 50 pending applications, reflecting its commitment to advancing medical technology and addressing challenges such as antibiotic resistance. The company's products are distributed throughout the United States.

Kinalco, Inc., established in 2013 and headquartered in Cambridge, Massachusetts, specializes in the development and manufacture of shape memory alloys (SMAs) that are primarily composed of copper. These alloys mimic the performance of single-crystal-copper SMAs but at a significantly lower cost. They offer high strain output for actuation and easy joining, making them suitable for various applications across industries such as orthodontics, orthotics, cables, connectors, sports equipment, and medical devices.

LiquiGlide Inc., founded in 2012 and based in Cambridge, Massachusetts, specializes in the development of innovative liquid-impregnated coatings designed to facilitate the effortless movement of viscous liquids. As a pioneer in creating permanently wet slippery surfaces, LiquiGlide provides unique solutions that enhance the flow of liquids across various industries, including manufacturing, oil and gas, aviation, utilities, and food and beverage. The company's technology addresses the common challenges associated with moving thick liquids, offering a durable alternative that is unmatched in the market. LiquiGlide's products are utilized in diverse applications, ranging from health and beauty to household goods, making it a versatile player in the coatings industry.

Apeel Sciences, based in California, addresses the global food waste crisis by developing plant-derived solutions that extend the shelf life of fresh produce. Founded in 2012, the company creates pre-and post-harvest products using natural plant extracts, such as Edipeel and Invisipeel, which protect fruits and vegetables from environmental factors and pre-harvest issues. These innovations effectively double the lifespan of harvested crops without refrigeration, helping to reduce spoilage and conserve resources like water and energy. By leveraging materials found in the skins, peels, and seeds of fruits and vegetables, Apeel aims to minimize food waste and promote sustainability throughout the supply chain. The company's efforts are supported by a range of private investors and philanthropic organizations.

Manus Bio Inc. is a biotechnology company that specializes in recreating plant processes in microorganisms to produce natural ingredients through advanced fermentation technology. Founded in 2011 and based in Cambridge, Massachusetts, the company utilizes a combination of metabolic engineering, protein engineering, and systems biology to develop microbes capable of generating a variety of plant-based ingredients. These ingredients have diverse applications, including flavors, fragrances, food ingredients, cosmetics, vitamins, pharmaceuticals, and agricultural chemicals. Manus Bio operates manufacturing facilities in Cambridge and Augusta, Georgia, and has established a strategic partnership with BBGI Public Company Limited. The company was previously known as Manus Biosynthesis, Inc. before changing its name in June 2018.