Sofia Berg has a PhD in theoretical biology, specializing in ecology. Her thesis presents methods for identifying how different species contribute to and affect their ecosystem. After graduating, Sofia worked as a research assistant at the Swedish University of Agricultural Sciences, where she carried out environmental monitoring of farmland landscapes. Sofia is an experienced field worker, particularly with ecological assessment and species surveys in terrestrial environments. She also works as an environmental specialist for terrestrial and aquatic issues in the West Link railway project. Sofia also runs her own research projects, focussing on ecology, conservation biology, ecological methods and statistics.