Dr. Ofer Spielberg is an expert oncohematologist at Assuta Medical Center. He specializes in the blood disorders and cancers found during tumor marker blood tests.
Dr. Joseba Rebollo Liceaga is a clinical oncologist at Quirónsalud Alicante. He focuses on personalized cancer treatments and gene-based therapies for metastatic breast cancer. Dr. Rebollo Liceaga teaches as a professor of Multidisciplinary and Personalized Oncology. He treats various conditions, including prostate, colon, and thyroid cancers.
Dr. Nir Kleinmann directs the Endourology and Kidney Stones Unit at Sheba Medical Center. He is a pioneer in kidney-sparing laser surgery for complex tumors. Forbes and ResultMed named him among Israel’s Best Doctors for 2025 and 2026. Dr. Kleinmann uses a unique dual-laser system to preserve organ function during cancer treatment.
Jacob Cohen is a gynecologist at Assuta Medical Center. He specializes in endoscopic and laparoscopic operations to treat female reproductive health issues.
Dr. Iris Kventsel is a pediatric hemato-oncologist and bone marrow transplant specialist at Sheba Medical Center. She treats childhood sarcomas like Ewing sarcoma and osteosarcoma at the Edmond and Lily Safra Children’s Hospital. Dr. Kventsel integrates targeted therapies with cellular treatments for complex childhood cancers. She serves on the academic staff at Tel Aviv University Faculty of Medicine.
Dr. Yaacov Lawrence is the Chair of Radiation Oncology at Sheba Medical Center. He specializes in precision radiation therapy and neuro-oncology. Dr. Lawrence pioneered celiac plexus radiosurgery for pancreatic cancer pain management. He holds the FASTRO designation, one of the highest honors in his specialty.
Dr. Elad Jacoby is a pioneer of pediatric CAR T–cell therapy in Israel. He heads the Pediatric Cell Therapy Center at Sheba Medical Center. Dr. Jacoby specializes in treating relapsed and high-risk pediatric leukemias and lymphomas. He completed fellowships at Johns Hopkins and the U.S. National Cancer Institute.
Professor Schoppmann heads the Gastroesophageal Tumor Unit at Vienna General Hospital. He specializes in the surgical treatment of gastric and esophageal cancers.
Dr. Eytan Aharon Ben-Ami leads the Oncology Division at Sheba Medical Center in Israel. He specialized in sarcoma and bone oncology at the Dana-Farber Cancer Institute. Dr. Ben-Ami founded the Sheba Clinical Research Organization to advance cancer studies. He treats rare bone tumors and soft tissue sarcomas with personalized protocols.
Dr. Hila Magen is a leading Israeli hemato-oncologist at Sheba Medical Center. She heads the Multiple Myeloma and Amyloidosis Unit. Dr. Magen specializes in treating complex plasma cell disorders and high-risk myeloma. She is a principal investigator for innovative point-of-care CAR-T therapy programs. Her work brings advanced immunotherapies into routine clinical care.
Dr. Avichai Shimoni is the Director of Bone Marrow Transplantation at Sheba Medical Center. He treats complex blood cancers. He completed a specialized fellowship at the MD Anderson Cancer Center. Dr. Shimoni uses allogeneic and autologous transplants for high-risk patients. He is a professor and Chairman of Hematology at Tel Aviv University.
Dr. Abraham Avigdor is the Director of the Institute of Hematology at Sheba Medical Center. He is a global authority on lymphoma, CAR-T therapy, and complex blood cancers. Dr. Avigdor founded the Israeli Lymphoma Working Group. He helps lead a clinic ranked 7th worldwide by Newsweek in 2026.
Dr. Ella Tepper serves as the Chief Physician of the Oncology Center at Assuta Medical Center. She specializes in oncology and oversees critical diagnostic screenings like the tumor marker blood test.
Dr. Jair Bar is a thoracic oncologist and Deputy Director of the Cancer Center at Sheba Medical Center. He specializes in treating advanced non-small cell lung cancer using personalized immunotherapy and targeted treatments. Dr. Bar holds a PhD in Molecular Biology and leads a research lab focused on immunotherapy resistance.
Dr. Cemalettin Aydin is a professor of general surgery at Medipol Acibadem District Hospital in Istanbul. He specializes in gastroenterology surgery and complex weight loss procedures. He completed a prestigious fellowship in gastroenterology surgery at the Türkiye High Specialization Hospital.
Dr. Yilmaz Bilgic is a gastroenterologist at the JCI-accredited Medipol Acibadem District Hospital in Istanbul. He specializes in the treatment of Crohn's disease, ulcerative colitis, and complex liver disorders. Dr. Bilgic completed specialized endoscopy training at Anam Hospital in South Korea. He also finished a training course on ERCP at the Olympus Training Center in Germany.
Dr. Mehmet Besir Surme is a neurosurgeon at Eskişehir City Hospital in Turkey. He specializes in pediatric neurosurgery and complex brain tumor removal. Dr. Surme completed an international fellowship in pediatric neurosurgery in Rome, Italy. He has authored scientific publications with over 40 citations in his field.
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Dr. Rafail Ibayev is a gastrointestinal surgeon at Erdem Hospital in Istanbul. He is a pioneer in minimally invasive and metabolic surgery. Dr. Ibayev performs laparoscopic procedures for stomach, intestine, and rectal diseases. He has extensive experience in weight management surgery, including sleeve gastrectomy and gastric bypass. Dr. Ibayev also treats endocrine and breast conditions using oncoplastic techniques.
Dr. Osman Aktas is a general surgeon at Avicenna International Hospital in Istanbul. He completed laparoscopic surgery training in Germany. He specializes in oncological and metabolic surgeries. Dr. Aktas previously served as chief physician at several prominent military hospitals.