Piotr Ciesielski has been part of the company since 2019 and serves as a Team Leader and Process Engineer, specializing in upstream bioprocessing. His work centers on bioreactor-based cell culture, particularly in single-use stirred tank and orbital shaken bioreactors. He plays an active role in implementing new technologies and validating manufacturing processes, contributing to projects related to process scale-up and the production of materials for clinical and commercial applications.