Targeted therapy Doctors Abroad — Page 3

Prof. Ben Boursi specializes in gastrointestinal oncology and microbiome research, pioneering innovative cancer therapies at Sheba Medical Center.

• Trained in gastrointestinal oncology at the University of Pennsylvania
• Founder of the ECOG-ACRIN Microbiome Working Group
• Published in top journals like Science
• Developed predictive models for early cancer detection
• Board-certified in internal medicine and medical oncology

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.

• Completed urological fellowships at Thomas Jefferson University and McMaster University.
• Expert in minimally invasive treatments for UTUC, kidney stones, and prostate cancer.
• Served as a researcher in the OLYMPUS trial for non-surgical chemoablation.
• Fellow of the American Endourology Society with over 60 scientific publications.

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.

• Chair of the Israel Lung Cancer Group.
• Board-certified in both Medical Oncology and Radiotherapy Oncology.
• Treats patients at Sheba Medical Center, a top-10 globally ranked hospital.
• Uses molecular and genetic profiling to create precise cancer treatment plans.

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.

• Heads the Early-Phase Clinical Trials Unit for innovative cancer therapies.
• Authored over 40 scientific publications on molecular mechanisms and early detection.
• Leads Phase I trials in targeted therapy and immunotherapy for rare cancers.
• Works at Sheba Medical Center, a top-10 hospital globally per Newsweek.

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.

• Leads the Gastrointestinal Cancer Program at Sheba Medical Center.
• Performs stereotactic radiosurgery for brain tumors and nervous system cancers.
• Authored over 280 scientific publications on personalized radiation protocols.
• Completed radiation oncology fellowship training at Thomas Jefferson University.

Uzm. Dr. Erkan Göcen is a Radiation Oncology Specialist at Çerkezköy Private Optimed Hospital (Optimed Health Group). He graduated from İstanbul University, İstanbul Faculty of Medicine (Çapa) in 2003.

Career: He trained and practiced in Radiation Oncology from 2010 to 2012. He worked in public and private health institutions from 2012 to 2016. He served in the private medical sector as a Radiation Oncology Specialist from 2016 to 2023. He has been at Optimed Hospital since 2024.

Clinical interests: cancers of the brain, head and neck, esophagus, stomach, colorectal, pancreas, prostate, bladder, lung, soft tissues (sarcomas), skin, uterus and cervix, and breast. Affiliations: Turkish Society for Radiation Oncology (TROD) and Tekirdağ Medical Chamber. Languages: English and Turkish.

Clinical Director of the Multidisciplinary Breast Unit at Kliniken Essen-Mitte – Sherko Kuemmel leads advanced breast cancer research and treatment.

• 322 peer-reviewed publications on breast cancer
• Executive Board Member of the AGO – shaping breast cancer guidelines
• Leads international clinical trials as Global PI
• ESMO Faculty member for breast cancer education

Chief Physician of the Oncology Center at Assuta Medical Center – leading expert in targeted therapy.

• Specializes in precision oncology treatments
• Extensive experience with personalized cancer therapies
• Works at one of Israel's top cancer centers

Specializing in advanced endoscopic procedures, Dr. Erdogan brings expertise in ERCP, EUS, and IBD treatment at İstinye University Liv Hospital Topkapı.

• Clinical fellowship in gastroenterology at Ankara City Hospital
• Published multiple research articles on inflammatory bowel disease treatment
• Experienced in peroral endoscopic myotomy (POEM) and endoscopic submucosal dissection (ESD)
• Active contributor to peer-reviewed journals in the field of gastroenterology

Prof. Elke Jaeger is a top sarcoma specialist and one of Germany's best oncologists according to Focus rating.

• 41 years of experience of oncology and hematology practice
• Head of Oncology and Hematology at Nordwest Clinic
• Specializes in targeted therapy for complex cases

Specializes in colorectal cancer screening and targeted therapy – Dr. Orságh leads the colorectal cancer screening group at the National Cancer Institute.

• Board-certified gastroenterologist since 2015
• Head of colorectal cancer screening at Slovak Gastroenterological Society
• Vice-chairman of the Endoscopy Section
• Chairman of the Oncology Section
• Trains others in advanced endoscopic techniques

Dr. Eckhart Weidemann leads the Hematology sector at Nordwest Clinic – a specialist in blood disorder treatment with 36 years of experience of experience.

• Specializes in non-Hodgkin lymphoma cases
• Heads hematology at Nordwest Clinic
• Professor with extensive academic background

Prof. Dr. İbrahim Doğan is a gastroenterologist. He earned his MD from Ankara University Faculty of Medicine in 1991. He became an Internal Medicine specialist at Gazi University in 1996. He completed gastroenterology subspecialty training at İnönü University in 2001.

His academic career was at Gazi University. He served as Lecturer (2002), Assistant Professor (2003), Associate Professor (2007), and Professor (2012). He worked as a researcher at the University of California San Diego from 2004 to 2006. He has practiced at Koru Hospital since January 2023.

Clinical focus includes gastroesophageal reflux, irritable bowel syndrome, constipation, gastroparesis, achalasia, bloating, gas and belching, fecal incontinence, ulcerative colitis, and Crohn’s disease. He performs ERCP, stent placement, balloon and bougie dilation, polypectomy, argon plasma coagulation, double-balloon enteroscopy, and bleeding control.

Specializes in endoscopic diagnostics and treatment at the National Cancer Institute – Dr. Zitnan focuses on pancreatic and bile duct diseases.

• Over 23 years of experience of gastroenterology experience
• Performs advanced procedures like endosonography and ERCP
• Member of the Slovak Gastroenterological Society's Oncology Section committee
• Board-certified in multiple endoscopic techniques