In This Section

Officers

Lillian L. Siu, MD, FAACR
President

Lillian L. Siu, MD, FAACR

(2025-2026)

Director, Phase I Clinical Trials Program
Codirector, Robert and Maggie Bras and Family Drug Development Program
Clinical Lead, Tumor Immunotherapy Program
BMO Chair, Precision Cancer Genomics
Princess Margaret Cancer Centre
Professor of Medicine
University of Toronto
Toronto, Canada

Keith T. Flaherty, MD, FAACR
President-Elect

Keith T. Flaherty, MD, FAACR

(2025-2026)

Director of Clinical Research
Massachusetts General Cancer Center
Professor of Medicine
Harvard Medical School
Boston, Massachusetts

Patricia M. LoRusso, DO, PhD (hc), FAACR
Past President

Patricia M. LoRusso, DO, PhD (hc), FAACR

(2025-2026)

Professor of Medicine
Chief of the Early Phase Clinical Trials Program
Yale University
Associate Center Director of Experimental Therapeutics
Yale Cancer Center
New Haven, Connecticut

Margaret Foti, PhD, MD (hc)
Chief Executive Officer

Margaret Foti, PhD, MD (hc)

​American Association for Cancer Research
Philadelphia, Pennsylvania

Michael A. Caligiuri, MD, FAACR
Treasurer

Michael A. Caligiuri, MD, FAACR

(2025-2028)

Professor, Division of Leukemia, Department of Hematology and Hematopoietic Cell Transplantation
City of Hope
Past-President, City National Medical Center
Duarte, California

View the List of AACR Past Presidents