Frank Geels is a professor of system innovation and sustainability at the University of Manchester. Geels is a world-leading scholar on sustainability transitions in energy, mobility, buildings, and agri-food systems. He is well known for his work on the Multi-Level Perspective, which conceptualises the main processes of change using insights from evolutionary economics, innovation studies, institutional theory, and political science. He published 6 books and 83 peer-reviewed articles, including in Science, Nature Climate Change, and Global Environmental Change, and was selected in the Highly Cited Researchers list (2014, 2019, 2020). Geels is a lead author of the Working Group III contribution to the 2021 Intergovernmental Panel on Climate Change report, a member of the Scientific Committee of the European Environment Agency, and a member of the World Economic Forum’s Global Future Council on the New Agenda for Economic Growth and Recovery.