||He had been working at the Jagiellonian University for over 8 years, first at the Department of Endodontics and since 2005 at the Department of Comprehensive Dentistry. He accomplished the postgraduate study in the field of endodontics. Twice he was at the scholarship in Germany – University in Cologne and Munich. He has been working in private office, since 2001. He has been lecturing in dental local anesthesia, medical first respond and endodontics in Europe, Middle East, Africa and Asia. Dr. Gonczowski is a member of several international dental associations – IADR (International Association for Dental Research), ESE (European Society of Endodontology), PTS (Polish Dental Association). He wrote over 35 articles and received several international prices for scientific projects (twice IADR CED Travel Stipend, Espertise Talent Award Europe for Young Scientists).