Professor of Medical Oncology with a focus on gastrointestinal cancers – Dr. Sezer Saglam leads the department at Gayrettepe Florence Nightingale Hospital.

• 29 years of experience specializing in medical oncology
• Fellowship-trained at Istanbul University Oncology Institute
• Member of ESMO, ASCO, and ENET societies
• Expert in advanced liver cancer treatments

Dr. Yildiz has published extensively on liver cancer and neuroendocrine tumors, with research featured in Medical Oncology and other prestigious journals.

• Specializes in gastroenteropancreatic neuroendocrine tumors
• Published 17+ peer-reviewed articles on oncology
• Works at Medipol Mega University Hospital
• Experienced in complex cancer cases

Associate Professor Dr. Yusuf Acikgoz brings international oncology experience from Ohio State University to Lokman Hekim University Ankara Hospital.

• Specialized in Medical Oncology with extensive training in Turkey and the US
• Participated in Phase III clinical trials for advanced cancer treatments
• Member of American Society of Clinical Oncology (ASCO)
• Certified in Good Clinical Practice and human subjects research

Associate Professor Tahsin Ozatli specializes in breast, lung, and gastrointestinal cancers at Istinye Liv University Hospital.

• Over 2016 years of experience of experience in oncology
• Internal Medicine Specialist at Malatya State Hospital
• Served at Ankara Oncology Clinic and Erzurum Regional Training Hospital
• Studied medicine at Selcuk University

Professor Gul Alco specializes in radiation oncology at Medipol Acibadem District Hospital, with over 31 years of experience of experience in the field.

• Professor at Istanbul Medipol University's Department of Radiation Oncology
• Completed residency at Kadir Has University's School of Medicine
• Associate Professor and later Professor at Demiroglu Bilim University
• Worked at Şişli Florence Nightingale Hospital and Gayrettepe Florence Nightingale Hospital

Nail Paksoy brings extensive experience from Istanbul University Oncology Institute and now serves as an Assoc. Prof. at Medipol Bahçelievler Hospital.

• Specializes in liver cancer treatment with a focus on advanced stages
• Board-certified in Medical Oncology by ESMO
• Contributed to eight international clinical trials in oncology
• Published multiple research papers on metastatic cancers

Specialized in advanced laparoscopic and oncological cancer surgery – Dr. Al brings extensive training from top Turkish medical institutions.

• Trained at Istanbul University's Cerrahpaşa Faculty of Medicine
• Expertise in laparoscopic bariatric and anti-reflux techniques
• Over 16 years of experience of surgical experience

Specialist in minimally invasive liver cancer surgery at Medical Park Goztepe Hospital, focusing on reducing patient recovery time.

• Author of over 40 medical documents
• Faculty member at Bahçeşehir University's Faculty of Medicine
• Member of the prestigious American College of Surgeons
• Also a member of the Liver Transplantation Society
• Trained at Cukurova and Ege Universities

Assoc. Prof. Ayşe İrem Yasin, M.D., is a medical oncologist who specializes in solid tumors. Her clinical focus includes breast, lung, gastrointestinal, gynecologic, and urologic cancers. She also treats brain and other CNS tumors, soft tissue sarcomas, head and neck cancers, adenocarcinomas, melanoma, Merkel cell carcinoma, and cancers of unknown primary. She practices at Medipol Acıbadem District Hospital (2025–present). She previously worked at Şişli Etfal Training and Research Hospital (2023–2025).

She completed a Medical Oncology fellowship at Bezmialem Vakıf University (2019–2022). This followed an Internal Medicine residency at the same institution (2012–2016). Her international experience includes the Breast Cancer Unit at the University of Piemonte Orientale in Novara (2022). She also trained at Basel University Hospital, Cleveland Clinic, and Harvard Medical School. She holds the ESMO Board Certificate (2022).

Assoc. Prof. Atakan Topçu, M.D., is a medical oncologist at Medipol University and Medipol Acıbadem Regional Hospital. He treats solid tumors, including lung, breast, colorectal, gastric, and neuroendocrine cancers. His work also covers targeted therapies, immunotherapy, geriatric oncology, and cancer-related malnutrition, cachexia, and sarcopenia.

He has authored more than 50 peer-reviewed papers. Recent work includes a 2024 Frontiers in Medicine study on geriatric syndromes and a 2023 Future Oncology paper on sarcopenia and anxiety in lung cancer. He has also published on the CONUT score in breast cancer and on malnutrition in HER2-negative metastatic gastric cancer.

Dr. Topçu serves on the Editorial Board of BMC Cancer. He is a member of the Turkish Society of Medical Oncology, ESMO, and the Turkish Geriatrics Society. Education and training: M.D., Uludağ University; residency in Internal Medicine, Marmara University; fellowship in Medical Oncology, Bezmialem Vakıf University.

Dr. Irfan Cicin is a Professor of Medical Oncology at the Trakya University Faculty of Medicine (2015–present). He has over 20 years of medical oncology experience and has held academic roles since 2010.

Education: MD, Istanbul University – Cerrahpaşa (1991–1997). Residency in Internal Medicine, Trakya University (1997–2002). Fellowship in Medical Oncology, Trakya University (2002–2004).

Practice: Medical Oncologist, Trakya University (2005–2008). Medical Oncologist, Elazığ Training and Research Hospital (2008–2010). Associate Professor of Medical Oncology, Trakya University (2010–2015). He previously served as a physician in the Turkish Air Force at Etimesgut Military Hospital (2004–2005).

Dr. Muhammed Mustafa Atci is an Associate Professor of Medical Oncology at İstinye University, Liv Hospital Topkapı (2025–present). He previously served as Associate Professor and Education Coordinator at Prof. Dr. Cemil Taşcıoğlu City Hospital (2023–2025). He was also a Medical Oncologist there (2018–2021).

He has been a member of ASCO and the Turkish Society of Medical Oncology since 2018. He is the author or co-author of 19 peer-reviewed international papers on colon, breast, gastric, pancreatic, lung, thyroid, sarcoma, and colorectal cancers.

Notable works include a multicentre study on stage IIB colon cancer survival (Journal of Chemotherapy). He also studied the De Ritis ratio for lung metastasis in testicular cancer (Current Urology). His prognostic studies used PET/CT, MSI, lymph node ratio, and metabolic tumor volume.

Specializes in complex cancer surgeries, including liver, pancreatic, and bile duct procedures at Büyük Anadolu Hospitals.

• Expert in oncological surgery with a focus on gastrointestinal cancers
• Performs advanced bariatric and metabolic surgeries
• Skilled in breast and thyroid cancer operations

Dr. Topcu trained at MD Anderson Cancer Center and specializes in liver cancer among other oncology fields. She brings extensive international expertise to her practice at Biruni University Hospital.

• Board-certified in medical oncology with over 16 years of experience of experience
• Member of European Society for Medical Oncology (ESMO)
• Trained at leading cancer centers in USA and Canada
• Specializes in complex gastrointestinal cancers including liver cancer

With over 26 years of experience of surgical experience, Assoc. Dr. Ugur Ekici specializes in advanced laparoscopic and cancer surgery at Medicana Bahcelievler Hospital.

• Specialty training at Şişli Etfal Hospital's General Surgery Clinic
• Expertise in both standard and minimally invasive cancer procedures
• Published research in international medical journals

Prof. Ersin Ozturk brings extensive expertise in surgical oncology and gastrointestinal surgery at Medicana Bursa Hospital.

• Professor of Medicine with over 28 years of experience of experience
• Specializes in laparoscopic and obesity surgery
• Research fellowship at Cleveland Clinic Foundation
• Member of multiple surgical societies

Prof. Engin brings decades of specialized expertise in radiation oncology, including advanced training at the National Cancer Institute and Thomas Jefferson University.

• Former Chairman of Radiation Oncology at Uludag University
• Directed radiation oncology programs at multiple leading hospitals
• Specialized in thermoradiotherapy techniques
• Holds research scholarship from National Cancer Institute