Jens-Christian Svenning is a macroecologist and biogeographer, with strong interest in plants, animals and people across the world. Alongside basic curiosity about nature, Jens-Christian Svenning is highly motivated to contribute to help overcome the climate and biodiversity crises and promote sustainable societal development. His research includes foci on fundamental drivers of biodiversity, climate change impacts on biodiversity and ecosystems, and human-nature interactions from the past to the future, with interest in fundamental issues such as disequilibrium dynamics and top-down trophic effects. Key applied research foci include predictive modelling, the application of informatics and space-borne and other remote sensing technology to ecological and sustainability research, human dependence on and benefits from nature, and rewilding as a promising approach to ecosystem restoration. Jens-Christian Svenning is committed to ensuring the societal benefits of his research and knowledge, working closely with a range of public and private actors on concrete real-world conservation, restoration, and sustainability projects and challenges, as well as doing large amounts of outreach.