Investment Stage

Focus Areas

About Investor

Brigid O'Brien is a Managing Partner at RA Capital Management specializing in Manufacturing, ClimateTech/CleanTech, and EnergyTech investments. She partners with Seed through Series B companies building advanced industrial and clean technology solutions. Based in Boston, Brigid supports founders through fundraising, strategic planning, and business scaling. She has a strong interest in technologies addressing sustainability and industrial innovation. Her collaborative investment style focuses on helping companies achieve long-term growth and market leadership. She typically invests between $2M and $50M, with an average investment of approximately $15M.