I am a planetary physicist interested in the interior and global evolution of the Earth and other terrestrial planets. Why do planets evolve in their particular way? Which parameters determine their interior, surface, and habitability? Does life play a role in planetary evolution? To answer these questions, I merge models of mantle convection and evolution with local models of subduction zones, box models of volatile cycles and continental growth, and conceptual models of potential consequences of a biosphere. These models are typically characterized by intertwined feedback loops, where one system impacts the evolution of another, and vice versa. For this multidisciplinary study I collaborate with researchers from various disciplines, ranging from geophysics to geochemistry and biology.