Ellie Im (1)

Ellie Im, MD

Senior Vice President, Clinical Development, Oncology

Dr. Ellie Im is Senior Vice President of Clinical Development, Oncology. She is an experienced drug developer and leader.


Prior to joining Centessa, Ellie was Senior Vice President, Clinical Development and Operations at Mersana Therapeutics Inc. where she led teams in clinical development and clinical operations. Previously, Ellie was Clinical Development Lead and Senior Medical Director at Tesaro Inc., an oncology-focused company that was later acquired by GlaxoSmithKline plc. During her career, she led clinical development for both Keytruda and Jemperli. She also served as Medical Director for Merck & Co, Oncology Clinical Development.


Ellie is a medical oncologist and holds an MD degree from Catholic University College of Medicine, South Korea. She is board certified in internal medicine and medical oncology and a member of the American Society of Clinical Oncology and Hematology.

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