Dr. Sebastian Ramacher is a Senior Scientist in the Cryptography group at AIT Austrian Institute of Technology in Vienna, Austria. Before joining AIT, he was a postdoc working in Cryptology and Cryptographic Security at IAIK, Graz University of Technology, and received a Ph.D. degree with distinction from Graz University of Technology in 2019. His main research interests are in the field of public key cryptography with a focus on post-quantum signature schemes and modern public key cryptography.