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Gilman Callsen

Gilman Callsen

Founder, CEO, Rho Impact
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Gilman Callsen

Rho Impact believes that every organization has a role to play in improving the health of our planet and the lives of everyone living on it. We address key barriers to ESG and impact planning, implementation, and reporting through software, transparent methodologies, and expert services. Our products help companies manage the increasing set of stakeholder and regulatory pressures related to net zero, sustainability, and ESG while helping investors build defensible portfolios by modeling their future impact. We create a virtuous cycle between operators and investors, empowering every organization to make a sustainable impact.

Rho Impact serves both operators and investors through its ESG platform, Gemini , and its open source emissions forecasting tool, CRANE . We pair our platforms with expert advisory services to ensure we maximize their impact while responding to stakeholder and global regulatory pressures.

We serve companies across industries as varied as plant-based protein alternatives to 3D printed engine parts, and we help investors managing billions of dollars in capital allocate their investments to new companies with the greatest chance of reducing carbon emissions.