Felix Müller has studied Biology and Geography. His PhD thesis about soil-geographical investigations on the fate of pesticides in ecosystems was published in 1987. FM was coordinator of the long-term project “Ecosystem Research in the Bornhöved Lakes District and has worked in more than 25 research projects. Since 2010 FM has been affiliated as leader of the Department Ecosystem Management at the Institute for Natural Resource Conservation of Kiel University. The main recent research interests are ecosystem analysis, modeling, ecosystem services, ecosystem theories, and indicator applications at the landscape scale. FM has been editor of more than 20 books and has published more than 130 scientific papers. He was editor-in chief of the journal “Ecological Indicators and board member of several journals. FM was the president of the German chapter of the International Association of Landscape Ecology and Secretary of the German Chapter of the International Long-Term-Ecological Research Program.