Carmichael Roberts is the Co-Founder and Managing Partner of Material Impact Fund. See sector focus and contact routes.
Carmichael Roberts is the Co-Founder and Managing Partner of Material Impact Fund, a Boston-based venture firm with nearly $800 million in assets, and previously served as a General Partner at North Bridge Venture Partners where he financed material science companies like 1366 Technologies and MC10[1][3][6]. His investment thesis targets early-stage startups commercializing deep technology and materials science to address global sustainability challenges, with focus areas spanning electricity, agriculture, manufacturing, buildings, and transport[5][7]. Roberts concentrates on hard tech innovations and scientific breakthroughs that significantly reduce greenhouse gas emissions across these sectors[5]. While specific check sizes and lead/follow behavior are not explicitly detailed in available sources, his firm invests in platforms, advanced materials, and product management[1]. Notable portfolio companies include Soft Robotics, Zero Mass Water, and Amastan Technologies, alongside earlier investments in Foro Energy and 1366 Technologies through his prior role[3]. Roberts also serves as the Chief Investment Officer of Breakthrough Energy and Co-lead of the Investment Committee at Brea
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