Flexstone Partners

Flexstone Partners is a private investment firm founded in 2018. Headquartered in New York, it specializes in accessing small- and mid-cap markets across various sectors including technology, financial services, healthcare, and materials. The firm offers tailored solutions in private equity, real estate, private debt, and infrastructure investments.

David Arcauz

Managing Partner

David Arcauz

Managing Partner, Co-Chief Investment Officer and Global Advisory Investment Committee Member and European Investment Committee Member

Samira Boussem

Managing Director and Head of Sustainability

Hans DeWitte

Managing Partner, Global COO and Global CFO

Lay Hong Lee

Managing Director, Investments

David Marcus

Managing Director, Investments

Kristof Overloop

Managing Director, Investments and European Investment Committee Member

Zélie Saint-Zéby

Managing Director

Kit Jong Tan

Managing Director, Investments and Asia Investment Committee Member

6 past transactions

AeroSafe Global

Private Equity Round in 2023
AeroSafe Global is a U.S.-based company that develops and manufactures aerogels for thermal insulation, primarily serving the biopharmaceutical industry. Its products ensure reliable, sustainable, and simple temperature-sensitive supply chain solutions. AeroSafe Global specializes in cold-chain services, providing customized packaging, logistics, and operational services to prevent any temperature excursions during transportation of biomedical and pharmaceutical products.

ecoRobotix

Series B in 2023
ecoRobotix is a Swiss developer of autonomous weeding machines for row crops, meadows, and intercropping cultures. The company builds systems that use vision, cameras, GPS RTK, and sensors to follow crop rows, identify weeds, and guide robotic arms to apply micro-doses of herbicide directly to target weeds, enabling precision spraying and reducing chemical use. Its solutions aim to lower environmental impact and farming costs by enabling ecological and economical weed control. Founded in 2011 and based in Yverdon-les-Bains, Switzerland, ecoRobotix markets platforms that cover inter-row spaces as well as crop rows, delivering substantial reductions in chemical applications while maintaining yields.

Pastas Gallo

Venture Round in 2020
Pastas Gallo is a company in the pasta sector, both in the Spanish and international markets.

Kandou Bus

Series C in 2020
Kandou Bus specializes in designing high-speed, pin-efficient serial links for various applications. Its technology increases data transfer speed and reduces energy consumption, enabling improvements in devices like DRAM, graphics cards, servers, mobile devices, game consoles, routers, FPGAs, and defense electronics.

AeroSafe Global

Private Equity Round in 2020
AeroSafe Global is a U.S.-based company that develops and manufactures aerogels for thermal insulation, primarily serving the biopharmaceutical industry. Its products ensure reliable, sustainable, and simple temperature-sensitive supply chain solutions. AeroSafe Global specializes in cold-chain services, providing customized packaging, logistics, and operational services to prevent any temperature excursions during transportation of biomedical and pharmaceutical products.

AeroSafe Global

Venture Round in 2019
AeroSafe Global is a U.S.-based company that develops and manufactures aerogels for thermal insulation, primarily serving the biopharmaceutical industry. Its products ensure reliable, sustainable, and simple temperature-sensitive supply chain solutions. AeroSafe Global specializes in cold-chain services, providing customized packaging, logistics, and operational services to prevent any temperature excursions during transportation of biomedical and pharmaceutical products.
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