Bristol Myers Shuffles Its Executive Ranks with New CMO

Bristol Myers shuffles its executive ranks with new CMO

AstraZeneca’s top medical executive Cristian Massacesi will replace Bristol Myers’ current chief medical officer, Samit Hirawat, on Aug. 1.

Cristian Massacesi, M.D., Joins Bristol Myers Squibb as Executive Vice President, Chief Medical Officer and Head of Development

PRINCETON, N.J.--(BUSINESS WIRE)--Jul 25, 2025-

Cristian Massacesi, M.D., Joins Bristol Myers Squibb as Executive Vice ...

Updated: Bristol Myers snags Cristian Massacesi from AstraZeneca as its new chief medical officer

Bristol Myers Squibb is getting a new chief medical officer to steer its pipeline. Former AstraZeneca CMO Cristian Massacesi is set to take over from Samit Hirawat on Aug. 1, the ...

Dr. Cristian Massacesi named executive vice president, chief medical officer and head of development at Bristol Myers Squibb

PRINCETON, N.J.– Bristol Myers Squibb has announced the appointment of Dr. Cristian Massacesi as executive vice president, chief medical officer, and Head of Development, effective August 1, 2025. In this role, Dr. Massacesi will oversee the company’s early-stage and late-stage product development across all therapeutic areas.“We are thrilled to welcome Cristian to Bristol Myers Squibb,” said Christopher Boerner, Ph.D., board chair and chief exe…

BMS appoints new EVP, CMO and Head of Development

Bristol Myers Squibb has appointed Dr Cristian Massacesi as Executive Vice President, Chief Medical Officer and Head of Development.