Sevi completed her Bachelor's and Master's degrees in Biochemistry at Goethe University Frankfurt, Germany. Her Bachelor's thesis, under the supervision of Prof. Dr. Zoltán Ivics, was conducted at the Paul-Ehrlich-Institute, where she applied CRISPR-Cas technology to introduce mutations in the snRNP70 gene in human cells. She completed her Master's thesis under Prof. Dr. Robert Tampé at Goethe University, where she investigated T-cell receptor clustering and T-cell activation on microstructured matrices.