Lawrence Barclay, Managing Partner at Manta Ray Ventures, invests $500K–$12M at seed and Series A stages in sectors. See sector focus and contact routes.
Lawrence Barclay, Managing Partner at Manta Ray Ventures, invests $500K–$12M at seed and Series A stages in sectors including healthcare, life sciences, education, and construction (EdTech, Health IT, PropTech) [1][3][5]. His notable portfolio includes Ossium Health, Cuemath, Brainly, NewGlobe, and Sitehop, with recent deals like a $6M seed in Sitehop (2024) and a $52M Series C in Ossium Health (2023) [1][2][5]. Barclay’s distinctive thesis, aligned with Manta Ray’s mission, focuses on backing purpose-driven founders who combine technological innovation with social or environmental impact to solve global challenges [1][4][6].
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