Johannes Herrmann joined our group in May 2018 to conduct a PhD thesis in collaboration with Zurich Instruments AG, where he was employed as an RF hardware design engineer. After successfully defending his thesis about quantum machine learning in October 2022, he remained with the Lab as a Postdoc. Prior to joining our group, he obtained a Masters degree in electrical engineering from RWTH Aachen and a degree in applied physics from Keio University in Japan. He left our group in September 2023.