Óscar Pozo Ocaña defended his PhD thesis “On symmetry and topological aspects of novel phases of matter” on Dec. 21st 2021. His thesis was co-advised with Maria Vozmediano from Instituto de Ciencia de Materiales de Madrid (ICMM), and is officially the first PhD from our group. Óscar will now start a postdoc at the Centro de Física de Materiales (CFM) in San Sebastian. Congratulations Oscar and all the best in your career!