Weber-Fahr’s last position was Chief Operating Officer at Sustainable Energy for All, an international non-governmental organisation that promotes access to clean, affordable, and modern energy. There, she built organisational management structures and supported day-to-day operations serving a broad network of public–private partnerships.
With an academic background as an economist, Weber-Fahr began working in development in 1994 with the World Bank. Building communities and partnerships around knowledge and collaboration became a passion that she pursued across multiple projects in areas related to sustainable development and education.
For the International Finance Corporation (IFC), she built the Global Business Line for Sustainable Business Advisory, working with the private sector to pursue "people–planet–profit" opportunities, including on water efficiency and new clean water technologies.
Weber-Fahr holds a PhD in Business Economics, an MSc and a BSc in Economics, a Diploma in International Relations, and a Diploma in Corporate Governance.