Best Hematology Oncology Doctors Abroad

Head of Italy's largest bone marrow transplant program – Dr. Peccatori oversees 90+ allogeneic transplants yearly at San Raffaele.

• 29 years leading the Bone Marrow Transplant Unit
• Published 70+ studies on transplantation and hematologic cancers
• Specializes in lymphoma and complex transplant cases
• Member of European Society for Blood and Marrow Transplantation

Dr. Mehmet Salih Iyikesici is a medical oncologist. His work focuses on metabolically supported chemotherapy (MSCT), ketogenic diet–supported cancer care, hyperthermia, hyperbaric oxygen therapy, and insulin potentiation therapy. He emphasizes care for breast, pancreatic, and gastric cancers.

He is a Medical Oncology Specialist at Neolife Medical Center (2026–present). He previously served at Private Bahçelievler Medical Park (2013–2026), Medicana Beylikdüzü (2010–2013), Silivri Anadolu (2009–2010), Diyarbakır Training and Research (2008–2009), and Bursa Çekirge State (2006–2008). Earlier, he worked as an Internal Medicine Specialist (1997–2003). He was an Assistant Professor at Altınbaş University (2014–2026).

Training: Medical Oncology subspecialty, Marmara University (2003–2006). Internal Medicine, Istanbul Haydarpaşa Numune (1992–1996). Medicine, Uludağ University (1985–1990). Member, Medical Oncology Association (since 2004). His recent research (2019–2020) covers gastric, breast, pancreatic, and lung cancers. Topics include long‑term survival in metastatic pancreatic cancer and feasibility in metastatic non‑small cell lung cancer (NSCLC).

Professor Xiao Yueyong is Chief Physician in the Department of Radiological Diagnosis at the Chinese PLA General Hospital. He is a leading expert in minimally invasive interventional oncology. He serves as the inaugural President of WATA (2025–). He is President of the International (2020–) and Asian (2012–) Societies of Cryotherapy. He is also Deputy Head of the NHC Expert Group on tumour ablation regulations (2009–).

He has performed over 100,000 CT/MRI‑guided minimally invasive procedures. His work covers chemical ablation, RFA, MWA, cryoablation, and NanoKnife (IRE). He introduced and advanced NanoKnife ablation in China. He led the first national standards for tumour cryoablation and NanoKnife.

Honors include the National Special Contribution Award (Lifetime Honorary). He received First Prize from the Chinese Medicine Education Association (2021). He received two Second Prizes for Military Medical Achievements (2016, 2018) and two Second Prizes from the China Anti‑Cancer Association (2019, 2022). He was named Asian Ablation Master. His research record includes 13 Chinese patents. He is the principal investigator for four NSFC projects and one MOST subject. He has published over 200 papers, with over 110 as first or corresponding author and over 40 in SCI journals. He has led over 10 ablation guidelines or consensus statements.

Dr. Ding Yi is the Associate Chief Physician in Hematology at Shanghai Tongji Hospital. She is also the acting deputy director of the Blood Transfusion Department. She holds a Master of Medicine from Tongji University. She serves on the Youth Committee of the Shanghai Society of Hematology.

She is skilled in diagnosing and treating leukemia, lymphoma, and myeloma. She offers hematopoietic and umbilical cord blood stem cell therapies. She specializes in acute leukemia. She developed sequential treatment protocols. She participated in research that won the Second Prize of the Shanghai Science and Technology Progress Award. She has published more than 10 papers.

Leading expert in gene therapy for rare immune disorders – Dr. Aiuti heads the Pediatric Immunohematology Unit at San Raffaele Hospital in Milan.

• Specializes in ADA-SCID and Wiskott-Aldrich Syndrome treatment
• Published 180+ research papers on immunology and gene therapy
• Multiple awards for groundbreaking clinical research
• Conducts trials funded by EU and Italian health authorities

Specialist in pediatric bone marrow transplantation – Dr. Rives Sola focuses on young patients at SJD Barcelona Children's Hospital.

• Expertise in allogenic and related-donor transplants
• Skilled in CAR T-cell therapy for children
• Works at one of Spain's leading pediatric hospitals
• Dedicated exclusively to treating hematologic conditions in children

Dr. Graupera heads the Hematology Oncology Department at Sant Joan De Déu – one of Europe's top children's hospitals, with groundbreaking research in pediatric cancers.

• Specializes in neuroblastomas, gliomas, Ewing's sarcomas, and Wilms' tumors
• Developed a radiation-free treatment for spinal cord gliomas
• Trained at Memorial Sloan Kettering Cancer Center in the USA
• Published over 70 papers on malignant tumors in children
• Recipient of multiple prestigious awards, including the Schweisguth Prize

Prof. Savas Kansoy pioneered pediatric bone marrow transplantation in Turkey – founding the country's first dedicated unit at Anadolu Medical Center.

• Over 48 years specializing in pediatric hematology and oncology
• Performed 900+ bone marrow transplants for children
• Accredited by European Group for Bone Marrow Transplantation (EBMT)
• Founder of four pediatric transplant units across Turkey
• Published extensively on stem cell therapies for childhood cancers

Prof. Sebnem Izmir Guner pioneered Turkey's first Therapeutic Apheresis and Bone Marrow Transplantation Centers, setting national standards in hematology.

• Specializes in leukemia, lymphoma, and multiple myeloma treatments
• Published 37+ peer-reviewed articles in international hematology journals
• Founded multiple hematology clinics and transplant centers across top hospitals
• Award-winning researcher with three conference honors
• Fluent in English and German for international patient care

Prof. Dr. Tekgunduz has extensive expertise in hematology and bone marrow transplants, with a strong focus on patient-centered care at Memorial Bahçelievler Hospital.

• Specialized in Internal Medicine and Hematology at leading Turkish universities
• Former Deputy Head of Hematology and Stem Cell Transplantation at Ankara Oncological Hospital
• Member of multiple prestigious hematology associations, including the European Hematological Association
• Authored numerous scientific publications in the field of hematology

Prof. Mutlu Arat- leads the Adult HSCT Unit at Florence Nightingale Hospital, specializing in hematology oncology with over 30 years of experience.

• Director of a leading HSCT unit in Istanbul
• Visiting professor at University of Minnesota's BMT unit
• Professor at Istanbul Bilim University's hematology department
• Trained at Ankara University and Hacettepe University

Dr. Toluy Ozgumus has diagnosed and treated over 1,000 patients with coagulation disorders and hematological cancers at Hisar Hospital Intercontinental.

• Specialized in hematology with training at Marmara University
• Extensive experience in bone marrow transplantation
• Expert in managing Covid-19 related hematological complications
• Focused on rare hematological cancers and myeloproliferative diseases

Assoc. Prof. Dr. Oguzhan Babacan has 28 years in pediatric bone marrow transplants at Hisar Hospital Intercontinental – performing allogeneic, autologous, and haploidentical procedures.

• Subspecialized in Pediatric Hematology and Oncology at GATA Military Medical Faculty
• Treats leukemia, lymphoma, and solid tumors in children
• Associate Professor in Pediatric Hematology and Oncology Science/Art
• Focuses on complex cases requiring stem cell transplantation

Nearly 39 years in pediatric hematology – Dr. Tanyeli specializes in bone marrow transplants for children at Memorial Şişli Hospital.

• Recognized for bone marrow transplantation research in Europe
• Member of the European Association for Bone Marrow Transplantation
• Professor with extensive academic credentials
• Works with multiple pediatric hematology societies

1,100+ hematology treatments performed – Dr. Cobo Valien specializes in lymphoma and leukemia at Centro Médico Teknon.

• 27 years of experience in oncohematology
• Expert in CAR-T cell therapy and bispecific antibodies
• Award-winning researcher with multiple grants
• Member of the Spanish Hematology Association

Harvard-trained hematologist specializing in lymphoma and bone marrow transplantation at Memorial Şişli Hospital.

• Member of the European Society for Blood and Marrow Transplantation
• Attended advanced training courses including EBMT International Transplant Course
• Specializes in Hodgkin's lymphoma and complex hematologic malignancies
• Works at one of Istanbul's leading hematology centers

Specializes in hematology and bone marrow transplants – Dr. Cetinn leads the Hematology-BMT Program at Memorial Antalya Hospital.

• 26 years of experience in hematology and oncology
• Trained at Fred Hutchinson Cancer Center in the USA
• Former Hematology-BMT Program Director at King Hamad University Hospital
• Member of the Turkish Society of Hematology

Dr Keerapat Phiromkraiphakdi is a specialist in cosmetic surgery with training in the United States and extensive experience in plastic surgery.

• Graduated from Vajira Hospital and Ramathibodi Hospital
• Further training in plastic surgery in the U.S.
• Medical Professor at Srinakharinwirot University
• Member of the Thai Society of Plastic Surgeons

Dr. Necdet Uskent is a medical oncologist and hematologist at Anadolu Medical Center in Istanbul. He was part of the pioneering team that performed Turkey's first bone marrow transplant. Dr. Uskent holds the European Medical Oncology Certificate and focuses on breast, lung, and gastrointestinal cancers. He works at a facility affiliated with Johns Hopkins Medicine.

• Founder of the Turkish Oncology Group (TOG).
• A founding member of the Turkish Society of Medical Oncology.
• Served as a visiting lecturer at Royal Free and University College Hospital in London.
• Treats complex hematological conditions including lymphomas and myeloma.