Sebastian studied medicine at the University of Regensburg (Germany). He conducted his MD thesis work in the lab of Prof. Dr. Ernst Tamm at the Department of Anatomy and Embryology. In 2016, he started his medical residency in internal medicine with a specialization in Hematology & Oncology at the University Hospital Frankfurt and joined the acute myeloid leukemia research group of Prof. Dr. Christian Brandts. With funding by the Mildred-Scheel-Nachwuchszentrum Frankfurt, he started a research project with the Münch lab in 2019, using quantitative proteomics to understand protein dynamics in acute myeloid leukemia.