Ivan Maillard

Ivan Maillard, MD, PhD, is a Professor at Memorial Sloan Kettering Cancer Center, specializing in Hematologic Malignancies. He holds dual expertise as a hematologist-oncologist and physician-scientist, with a focus on leukemia, myelodysplastic syndromes, and bone marrow transplantation.

• Education: BA from Gymnase de Chamblandes (Switzerland), MD/PhD from University of Lausanne
• Training: Residency at University of Lausanne, Fellowship at University of Pennsylvania
• Leadership: Head of Division of Hematologic Malignancies at MSK since 2024

Research spans Notch signaling in immune responses, graft-versus-host disease, and bone marrow transplantation. His work combines clinical practice with translational investigations to improve blood cancer therapies.

Recent publications highlight Notch pathway modulation in GVHD (2023), intestinal transplantation immunity (2023), and single-cell analyses of bone marrow niches (2024). Awards include membership in the Association of American Physicians (2024) and American Society of Clinical Investigation (2013).

Dr. Maillard mentors residents and fellows, emphasizing holistic patient care that integrates scientific innovation with individualized treatment plans. His multicultural background and family context reflect his commitment to interdisciplinary collaboration.