Elizabeth Maruma Mrema

Assistant Secretary-General of the United Nations and Deputy Executive Director of the United Nations Environment Programme


Biography

Elizabeth Maruma Mrema is Assistant Secretary-General of the United Nations and Deputy Executive Director of the United Nations Environment Programme (UNEP), headquartered in Nairobi, Kenya. Ms. Mrema was appointed to this role by the UN Secretary-General in 2022.

Ms. Mrema is also co-chair of the Task Force on Nature-related Financial Disclosures, aimed at guiding companies in assessing, disclosing, and managing nature-related risks and impacts.

Between 2020 and 2022, Ms. Mrema served as the Executive Secretary of the Convention on Biological Diversity. In this role, Ms. Mrema shepherded global consensus on the Kunming-Montreal Global Biodiversity Framework, a landmark agreement to protect and restore the natural world on which humanity depends.

For over two decades, Ms. Mrema served in various capacities in UNEP, including as the Director of the Law Division and the Deputy Director of the Ecosystems Division. Between  2009 to 2012, she served as the Executive Secretary of the Secretariat for the Convention on the Conservation of Migratory Species of Wild Animals, Acting Executive Secretary of the Agreement on the Conservation of Small Cetaceans of the Baltic, North East Atlantic, Irish and North Seas (UNEP/ASCOBANS), and Interim Executive Secretary of the UNEP/Gorilla Agreement, all based in Bonn, Germany.

A lawyer and career diplomat Ms. Mrema has received several awards, including the Nicolas Robinson Award for Excellence in Environmental Law from the IUCN World Commission on Environmental Law in 2021; and the Kew International Award in 2022. In 2023, Ms. Mrema was included in Time magazine’s 100 most influential people’s list and the Financial Times 25 most influential women list.

A national of the United Republic of Tanzania, before joining the UN, Ms. Mrema worked with the Ministry of Foreign Affairs and International Cooperation of the United Republic of Tanzania.

Staff Position Level: ASG

Region: African Group

Elizabeth Maruma Mrema, Diretora Executiva Adjunta do PNUMA

Elizabeth Maruma Mrema


The Latest

Speech
Protecting the ozone layer for people, nature and climate stability

UNEP Deputy Executive Director Elizabeth Mrema highlights that international environmental lawmaking is advancing, with several COPs and negotiations underway, including a landmark agreement to curb plastic pollution. The Montreal Protocol and its amendments have demonstrated the power of global cooperation, achieving a 99% reduction in ozone-depleting substances and helping prevent 0.5–1°C of global warming. The Kigali Amendment promises further climate benefits if fully ratified, a milestone UNEP aims to reach by 2026. This collaboration has not only safeguarded ecosystems but also human health, averting millions of skin cancer cases and advancing Sustainable Development Goals. More

Speech
Empowering Youth for Climate Action: A Call to Leadership and Sustainable Change

Elizabeth Maruma Mrema, the UNEP Deputy Executive Director, has called on youth to lead climate action, embrace green jobs, and drive sustainable change. She emphasized the importance of youth participation in decision-making to ensure a resilient future. Her remarks were made at the Youth and Climate Protection Forum, which focused on the Montreal Protocol and climate protection. More

Speech
Celebrating the natural treasures of our planet on World Environment Day

As part of the OxfordSpeaks series, UNEP Deputy Director Elizabeth Maruma Mrema emphasizes the need for urgent global actions to combat climate change, biodiversity loss and pollution. In her address marking World Environment Day, she highlights the severity of environmental crises affecting billions and calls for international cooperation and innovative solutions to build a resilient and sustainable future. More