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Tangible
Tangible is a San Francisco climate-tech company that turns static construction drawings and 3D models into live materials data. Its AI-powered platform reads Revit models and PDF drawings to give preconstruction teams structured quantities, cost, and EPD-backed embodied carbon in one place - so developers, contractors, and architects can see the carbon and cost impact of a design and cut both before a building is ever poured. Founded in 2021 by Anneli Tostar and Nicole Granath, Tangible has raised roughly $8.8M and counts builders like Skanska, Prologis, and Hensel Phelps among its users.
Leise Sandeman
Leise Sandeman is the CEO and co-founder of Pathways, a climate-tech startup building the data layer for sustainable manufacturing. Pathways uses AI to automate the creation of Life Cycle Assessments (LCAs) and Environmental Product Declarations (EPDs) for building-material makers - concrete, steel, cement, glass - turning a months-long consultant slog into a process that takes weeks. A Copenhagen native and former McKinsey sustainability consultant who scaled a recycling venture before studying at Harvard and MIT, Leise co-founded Pathways in 2022 with Alex Cooper after meeting in an MIT entrepreneurship class. The company raised an oversubscribed $2.5M seed round in February 2024 and now serves manufacturers across hundreds of plants.
Alex Cooper
Alex Cooper is the co-founder and co-CEO of Pathways, a New York climate-AI company building the data layer for sustainable manufacturing. Pathways automates the creation of real-time Life Cycle Assessments (LCAs) and Environmental Product Declarations (EPDs) for building-material producers - turning a slow, costly, manual six-to-twelve-month process into something that takes weeks. A decade scaling consumer and data startups (Uber, Clutter, Two Chairs) left Cooper convinced that the manufacturers responsible for roughly 40% of global CO2 deserved software as good as the apps on everyone's phone. He teamed up with Harvard classmate Leise Sandeman in 2022 to prove it.
Anneli Tostar
Anneli Tostar is the CEO and co-founder of Tangible, a San Francisco software company that helps real estate developers measure, manage, and cut the embodied carbon locked inside the materials they build with. An Oregon-born, Swedish-heritage urbanist who studied anthropology and environmental policy at Harvard and sustainable urban planning at KTH Stockholm, she spent years inside the commercial real estate sustainability world in the UK and US before deciding the industry's spreadsheet-and-Google-search approach to low-carbon materials needed a real platform. She co-founded Tangible with Nicole Granath in late 2021, raised $8.8M, and is on a mission to make choosing low-carbon materials, in her words, stupidly easy.