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I am a theoretical condensed matter theorist with a general interest in quantum phases of matter. My focus is primarily on spin systems and strongly interacting electron systems, where I want to understand how interactions between the microscopic constituents determine the macroscopic properties of the system. In recent years I have been working on topological phases of matter, and two-dimensional superlattice systems such as twisted bilayer graphene. In my research I use a variety of different theoretical and numerical techniques, such as for example tensor network states, self-consistent Hartree-Fock and effective field theory descriptions.