Professor Jorg Groticke is the Chief Physician of the Oncology and Hematology Center at Bremen Mitte Hospital, specializing in the treatment of hematological malignancies and gastrointestinal tract tumors. He is a member of multiple medical organizations, and offers remote consultations for second opinions.
Dr. Raj Nagarkar is a leading Surgical Oncologist with 19 years of experience. He has performed over 50,000 cancer surgeries. His main focus areas are Breast and Thoracic Surgical Oncology. He is involved in more than 200 clinical trials and has contributed to many national and international publications.
Dr. Nagarkar trained in Surgical Oncology at Tata Memorial Hospital, Mumbai. He also holds an MRCS from the Royal College of Surgeons, Edinburgh. He teaches DNB Superspecialty Surgical Oncology and Breast Surgery at Maharashtra University of Health Sciences. Dr. Nagarkar is dedicated to improving the quality of life for his patients.
Member of SICOB - Italian Society of Obesity Surgery and ACOI - Association of Italian Hospital Surgeons
Dr Braun is a board-certified general surgeon with over 25 years of experience specializing in gastrointestinal surgery, particularly in the treatment of gastroesophageal reflux disease (GERD) through Fundoplication surgery. He has performed over 500 successful Nissen and Toupet Fundoplication procedures, with a focus on minimally invasive laparoscopic techniques. His expertise extends to diagnosing complex cases of GERD and offering comprehensive treatment plans to improve patient outcomes.
He has carried out his main training experiences in various international institutions and specialization courses in general and digestive system surgery, including a two-year training internship at Johns Hopkins University, Division of Hepatobiliary Pancreatic Surgery and numerous courses in Madrid, with Prof. E. Moreno Gonzales (Curso Internacional de Actualizaciòn en chirurgia General y del Aparato Digestivo) or in New Orleans (Medical Education at the 90th Annual Clinical Congress of the American College of Surgeons).
Dr. Braun has extensive expertise in the field of digestive surgery. He has focused on implementing advanced protocols and optimizing surgical techniques, while maintaining high standards of safety and patient care. He has collaborated with a multidisciplinary team to provide an integrated and personalized approach in the management of obese or digestive disorder patients, improving quality of life and reducing post-operative complications.
Prof. Deraco has dedicated his career to helping patients with complex cancers, particularly those affecting the peritoneum, a membrane in the abdomen. He began his medical career in 1989 at the Surgery and Experimental Oncology Departments of the Fondazione IRCCS, National Cancer Institute in Milan, Italy. Over the years, he has played a key role in advancing treatments for peritoneal surface malignancies (PSM). For more than a decade, he was the lead physician for the Peritoneal Surface Malignancies Program. Since 2017, he has served as the director of the Peritoneal Surface Malignancies Unit, where he continues to focus on providing cutting-edge care for his patients.
Prof. Deraco’s expertise is in specialized cancer treatments like Cytoreductive Surgery (CRS), Hyperthermic Intra-Peritoneal Chemotherapy (HIPEC), and Pressurized Intra-Peritoneal Aerosolized Chemotherapy (PIPAC). These techniques aim to remove cancer and deliver heated chemotherapy directly to the abdomen, giving patients with PSM new hope. He has successfully treated over 1,200 patients using these advanced methods.
In addition to his clinical work, Prof. Deraco is a professor at Milan University, where he teaches future surgeons about peritoneal surface malignancies. His teaching extends internationally, as he has mentored over 30 postdoctoral fellows from prestigious institutions worldwide.
Prof. Deraco’s educational background is extensive. He earned his medical degree from the University of Messina in 1987 with top honors, followed by a specialization in general surgery five years later. His training continued in Paris, where he specialized in oncology at the prestigious Paris Dauphine University. He further honed his skills through fellowships in world-renowned institutions such as the Gustave Roussy Institute in France, the Royal Marsden Hospital in the UK, and the Washington Cancer Institute in the USA.
Throughout his career, Prof. Deraco has remained actively involved in research and professional organizations. He has published over 250 scientific articles and 25 book chapters, contributing to the advancement of cancer treatment globally. He serves on the board of multiple scientific societies dedicated to cancer research, including the Peritoneal Surface Oncology International Group (PSOGI) and the Italian Society for Loco-Regional Cancer Therapy (SITILO).
Dr. Sirshendu Roy is a Surgical Oncologist with 11 years of clinical experience. He specializes in cancer surgery and performs a wide range of procedures. His expertise includes breast, bone and soft tissue, head and neck, thoracic, pediatric, plastic and reconstructive, and gastrointestinal surgeries.
Dr. Roy earned his MBBS from the University of Kolkata in 1993. He completed his MS at the University of Mumbai in 2000. He received advanced oncosurgical training at Tata Memorial Hospital, Mumbai. Dr. Roy is known for his skills in multidisciplinary cancer care and postgraduate training. He has made important contributions to surgical oncology practice and education.
Medical Interests and Activities
• Gastrointestinal diseases
• Oncologic laparoscopic surgery
• Anorectal area diseases
• Urgent surgical cases (acute cholecystitis, divertikülit, ileus, pankreatit, appendicitis)
• Colon and rectum cancer
• Treatment of oncologic surgical cases with further laparoscopic and robotic surgery. • Laparoskopik hernia surgery
• Esophagus and stomach cancer
• Selim anorectal diseases (hemorrhoidal disease, anal fissure), perianal fistula, pilonoidal sinus (hairless- non-surgical treatment)
Education and Experience
• İstanbul University Medical Faculty 1988 • University of Colorado Health Science Center – Intern Surgeon
• Isparta, Dedeçam Şehit Ramazan Karaca Health Center (1995-1996) • İstanbul Surgery Hospital – American Hospital (2000-2001)
• Chief assistant Istanbul Medical Faculty, Department of General Surgery (2001-2008) • World Congress on Peritonel Surface Malignancies (HIPEC course) Berlin, Germany (2012)
• USC Keck School of Medicine, Los Angeles, CA, USA (2006-2007)
• Assoc. Prof. M.D. , İstanbul Medical Faculty General Surgery (2008-2014)
• Da Vinci Robotic Intensive Course at IRCAD, Strasbourg, France (2011)
• Stony Brook Medicine Cadaver Training Event in Colon and Rectal Surgery, New York, USA (2016) (Instructor)
• Fellow of the European Board of Surgery- Emergency Surgery (FEBS EmSurg) Honorary Diploma (2017)
• Prof. M.D. , İstanbul Medical Faculty General Surgery (2014 -2017)
• İstanbul University Medical Faculty – General Surgery Master of Science 1996
• University of Southern California Medical Center, Department of General Surgery, Los Angeles, USA – February 2006 – February 2007
Scientific Publications • Endoscopic Laparoscopic & Minimal Invasive Surgery Journal Editorial Board / National Scientific Committee • UTACD Assist. Editor
Prof. Filippini began his career in 1980 and has been teaching at the University of Chieti since the 1990s in the fields of General Surgery, Microsurgery, Reconstructive Surgery, Vascular Surgery, Orthopedics, and Gynecology. His primary focus is oncological surgery, particularly specializing in "The surgical treatment of locally advanced tumors and multi-organ resections." He has enriched his expertise by visiting prominent reference centers in the United States, including the Memorial Sloan Kettering Cancer Center in Manhattan, New York City. There, he delved into minimally invasive, laparoscopic, and microsurgical techniques under the guidance of esteemed mentors such as John Daly, Michele Gagner, and Murray Brennan. Additionally, in 2005, he further expanded his skills at the City of Hope Oncology Center in Los Angeles, focusing on robotic surgery in oncology.
In 1980, Prof. Filippini graduated in Medicine and Surgery from the G. D'Annunzio University of Chieti in Italy with honors, presenting an experimental thesis on lympho-venous anastomosis using microsurgical techniques. He completed his specialization in general surgery at the University of Pisa with distinction after five years. In 1990, he obtained another specialization in Plastic and Reconstructive Surgery from the University of Padua in Italy, where he maintained a stellar academic record.
Prof. Filippini has presented at numerous national and international conferences and authored over 100 scientific publications. Additionally, he has co-authored two monographs.