Dr. Bogdan Gaspar is currently working as a Senior Lecturer in Surgery at the Faculty of Medicine, ''Carol Davila '' University of Medicine and Pharmacy, Bucharest. He is also a surgeon at the Bucharest Emergency Clinical Hospital, with almost 30 years of experience in teaching and training students and residents in the surgical field. He specializes in polytrauma patients undergoing emergency surgery, classic and laparoscopic surgery for elective and emergency cases, including but not limited to benign and malignant upper gastrointestinal tract, hepatobiliary surgery and gynecological oncology. Dr. Gaspar has already attained recognition as a medical scholar and has received national and international honors for his activity. He has been a founding member of the European Trauma and Emergency Surgery Society (ESTES) - Visceral Trauma Section since 2008, a member of the International Association of Surgeons, Gastroenterologists and Oncologists (IASGO), etc. He has a background in the publication of numerous significant papers in his areas of surgical specialty, and he serves as a Member of the Board of Reviewers for prestigious international journals and as a reviewer for several MDPI journals. Dr. Gaspar's research interests include polymer materials; novel materials, etc.