Catalyst Fund backs bold founders building Africa’s climate-resilient future. We’re a venture capital fund and venture builder investing in groundbreaking tech startups across agritech and food systems, climate fintech, climate data, water, energy, waste and mobility - solutions that strengthen the resilience of people and planet. Catalyst Fund is seeking a dynamic and motivated Fractional ESG & Impact Manager to lead and manage the fund’s impact and ESG strategy, reporting, and ESG compliance processes. The role will drive Catalyst Fund’s commitment to measurable impact and sustainability, working across internal teams, portfolio companies, and Limited Partners. The role is both strategic and hands-on, requiring expertise in ESG and impact management, fund reporting, due diligence processes, and portfolio engagement. The position will report to the Managing Partner. We expect the role to take 4 days a month.

• Lead implementation and refinement of Catalyst Fund’s ESG & Impact framework, aligned with leading global standards (e.g., IRIS+, IFC Performance Standards, GCF guidelines).
• Conduct detailed ESG due diligence for prospective investments, identifying risks and gaps against relevant global standards, (e.g., IFC Performance Standards) and establishing corrective action plans, where necessary.
• Manage Catalyst Fund’s Environmental & Social Management System (ESMS), ensuring robust integration into investment processes.
• Work closely with the investment team to integrate E&S considerations into investment screening, due diligence, and decision-making processes, ensuring alignment with IFC Performance Standards and other frameworks.
• Oversee ongoing impact and ESG monitoring across the portfolio, including data collection, management, and analysis.
• Conduct portfolio-wide impact assessments, working closely with founders to enhance their ESG practices.
• Prepare annual ESG reports for LPs and an annual impact report for the fund.
• Lead preparation of quarterly LP reports with financial and impact performance of the companies (cross-checking quarterly data upload from companies).

• Strong understanding of climate finance, climate resilience, and ESG risk management frameworks (particularly related to early-stage, tech-enabled companies).
• Outstanding project management and organizational skills, with the ability to manage multiple priorities.
• Excellent written and verbal communication skills, including experience producing high-quality reports for external audiences.

• 5+ years of relevant experience in impact measurement & management, ESG, and/or sustainability within a VC, PE fund, or impact-focused investment organization.
• Experience managing investor-facing impact and ESG reporting, ideally to DFIs, GCF, or other impact investors.
• Ability to design and manage ESG and impact due diligence processes, including conducting E&S assessments against frameworks such as the IFC Performance Standards and establishing corrective action plans for identified gaps.
• Professional fluency in English; French a plus.