Christopher Lemasters


Chris LeMasters is the EVP & Chief Operating Officer of Amplyx Pharmaceuticals, now a wholly owned subsidiary of Pfizer, Inc. Amplyx has focused on the development of novel first-in-class therapies for infectious disease affecting immune compromised patients. He led the strategic efforts that resulted in Amplyx’s acquisition by Pfizer in April 2021.

Mr. LeMasters was previously Executive Vice President and Chief Business Officer of Mirati Therapeutics, a clinical-stage oncology company, where he was responsible for corporate development, strategy and investor relations. During his three years in this role, he oversaw the successful expansion of the company and its market capitalization from $100 million in 2016 to nearly $5 billion in December 2019.