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Welcome Message

Dear Colleagues and Friends,

On behalf of the Organizing Committee, I am pleased to invite you to attend the 40th World Congress of the International Society of Hematology (ISH 2026), taking place from May 17-19, 2026, at the Centara Grand and Bangkok Convention Centre at CentralWorld, Bangkok, Thailand.

ISH 2026 is designed for hematologists, oncologists, scientists, nurses, medical technologists, and other healthcare professionals involved or interested in both basic and clinical hematology. The congress offers an exceptional opportunity to engage with leading international experts and explore the latest advances in research and clinical practice that aim to improve patient care.

The scientific program will include educational sessions, plenary lectures, congress symposia, peer-reviewed abstracts, poster presentations, and industry symposia. In addition to knowledge exchange, the congress encourages networking and collaboration among global professionals in the field of hematology.

Beyond the scientific sessions, Thailand offers a rich cultural experience — from its historical landmarks and beautiful islands to its world-renowned cuisine and vibrant nightlife. We are confident that you will enjoy not only the congress but also the warm hospitality of the Thai people.

We look forward to welcoming you to Bangkok in 2026 and ensuring that your experience at ISH 2026 is both memorable and enriching.

Prof. Ponlapat Rojnuckarin, MD
President of the ISH 2026

Asst/Prof. Chantrapa Sriswasdi, MD
President of the Thai Society of Hematology

40th World Congress of International Society of Hematology

Important Dates

Abstract submission

December 1, 2025 - January 31, 2026

Registration open

November 1, 2025