Bartlomiej Chojnacki is a PhD candidate on the AGH University of Science and technology, leading his thesis in sound field diffuseness and it’s application for qualified acoustic rooms. Granted his B. Sc. Degree in 2017 in Acoustic engineering and M. Sc. In 2018 in the field of Noise and vibration in environment and technics course in AGH. Leading the both scientific and industrial career in the field of acoustic engineering, he is an author of over 20 publications of international range, take a part in the committees and conferences worldwide. Since 2017 he’s the Secretary of Main Board in Polish Section of Audio Engineering Society, since may 2018 also Vice-Chair for Europe and International in AES SDA. Triple winner of AES Student Design Competition (2016 in Paris, 2017 in New York, 2018 in Milan) and many awards granted by International Institute of Noise Control Engineering (I-INCE) and Polish Acoustic Association (PTA). Member of Audio Engineering Society, European Acoustics Association and Polish Acoustics Association. Actively working in the industry, holding the role of Operational Director in Mega-Acoustic company – Polish manufacturer of acoustic treatment.