Alexander Büttner is a Scientist in the Extended Characterization department within the Analytical Development & Quality Control unit at Roche in Penzberg, Germany. His current work focuses on characterization of NeoRecormon® and Mircera® as well as multi-attribute monitoring (MAM) and IT-/Data Science-related topics. He studied biotechnology at Technical University of Munich (TUM) and University of Illinois at Urbana-Champaign. Prior to joining Roche in 2016, he worked on development of E. coli expression systems for production of antibody fragments at Boehringer Ingelheim and earned his Ph.D. from TUM based on this work.