Michel Loreau is a theoretical ecologist with broad scientific interests. He is renowned internationally for his work on the relationships between biodiversity, ecosystem functioning, and stability and the sustainability of coupled human–nature systems. Andy Hector is an experimental ecologist with an interest in biodiversity, its loss and the consequences for ecosystem functioning and stability. He works primarily with plants, focusing on grassland and forest ecosystems, and is part of the Sabah Biodiversity Experiment in Malaysian Borneo. Forest Isbell is an ecologist who studies grasslands, forests and agroecosystems. He investigates how changes in biodiversity are altering ecosystem functioning, stability and services, considering both the costs of biodiversity loss and the benefits of restoring biodiversity.