Diego Mesa Puyo Appointed as New CEO and Chair of the Global Environment Facility
Diego Mesa Puyo Takes the Helm at Global Environment Facility
On August 5, 2026, the Global Environment Facility (GEF) Council made an announcement that Diego Mesa Puyo will be the new Chief Executive Officer and Chair of the GEF for a term of four years. This significant appointment is aligned with GEF's mandate to address pressing environmental challenges and achieve critical sustainability targets by the year 2030.
Diego Mesa Puyo, a prominent figure in the realms of energy policy, economic development, and sustainability, also served as Colombia's Minister of Energy and Mines from 2018 to 2022. In this role, he spearheaded one of the most ambitious energy transition programs in Latin America and was instrumental in enacting market reforms that successfully attracted over $3 billion in private investments, significantly boosting the deployment of renewable energy sources. His leadership helped to elevate Colombia’s renewable energy market from virtually non-existent to one of the fastest-growing in the region, showcasing a remarkable commitment to advancing clean energy objectives.
In a statement following his appointment, Mesa Puyo expressed his honor to lead the GEF during a critical phase for the international community. He emphasized the importance of cooperative partnerships, stating that countries require reliable allies to effectively implement their goals. He looks forward to collaborating with the GEF Secretariat, member countries, and global partners to achieve environmental and developmental objectives through integrated solutions, investment mobilization, and measurable outcomes for both people and the planet.
The GEF has established itself as the world's largest public funder for environmental initiatives, significantly contributing to international efforts surrounding biodiversity, climate change, and pollution management. In a demonstration of their commitment, donor countries have pledged $3.9 billion for GEF’s ninth replenishment period, symbolizing a strong alliance for the protection and restoration of nature through multilateral collaboration.
Over the past three decades, the GEF has emerged as the largest public funding source for environmental projects, providing over $27 billion in funding mostly through grants while facilitating an additional $155 billion for country-driven projects. This extensive network of environmental funds positions the GEF as a critical financing mechanism for six multilateral environmental agreements, actively driving momentum in global efforts to tackle the root causes of environmental degradation.
As Diego Mesa Puyo steps into this vital role, the GEF is poised to enhance its impact and effectiveness on the global stage, ensuring an enduring legacy in fostering sustainable development and environmental stewardship in alignment with pressing global priorities.
This leadership transition comes as the world faces unprecedented environmental challenges, making the GEF’s mission more essential than ever. With a seasoned expert like Mesa Puyo at the helm, there is optimism surrounding the effective mobilization of resources and strategic partnerships needed to address pressing environmental issues today and in the future.
In conclusion, the appointment of Diego Mesa Puyo as CEO and Chair of the GEF signals a continued commitment to addressing global environmental challenges. His vast experience and proven track record in driving sustainable energy transitions will play a crucial role in guiding the organization toward achieving its ambitious vision.