Gregor completed his master’s and doctoral dissertation at the Faculty of Veterinary Medicine at the Department of Animal Physiology, University of Life Sciences in Lublin. He has conducted his previous research in the field of histology of blood vessels and impact of steroid hormones on bone tissue in conditions of osteopathy and osteoporosis. During his doctoral studies in 2013-2018, he gained extensive experience in laboratory work and as an academic lecturer. Specialist in histology and immunohistochemistry. He is a regular participant and speaker at national and international conferences. From 2018 to 2019, he was the manager of the decellularization team at the Foundation of Research and Science Development in the implementation of the project of 3D bioprinting of bionic pancreas At Polbionica, as a manager of the decellularization team, he is responsible for managing the department that conducts the process of decellularization and performs tasks in the development and improvement of the technological process of bio-ink production.Courses and certificates: 2015 - Training for persons responsible for planning and carrying out procedures, experiments and animal euthanasia, PolLASA.