MacroGenics, Inc. announced the appointment of Dr. Margaret A. Liu and Meenu Chhabra Karson to its Board of Directors, effective January 3, 2023. Dr. Liu will serve as a member of MacroGenics' Science and Technology Committee and Ms. Karson will serve as a member of the Company's Audit Committee. Following the appointment of Dr. Liu and Ms. Karson, MacroGenics' Board will comprise ten directors, nine of whom are independent.

Margaret A. Liu, M.D., D.Sc.hc, M.D.hc is a world-renowned expert in the fields of gene therapy, vaccines and immunotherapy and has been the CEO of PAX Therapeutics since 2020. She is an Adjunct Full Professor at the University of California, San Francisco and Hedersdoktor with scientific affiliation in the Department of Medicine at the Karolinska Institutet. Dr. Liu widely consults for companies and NGOs such as WHO through her activities as Principal of ProTherImmune and previously held positions of increasing responsibility at Merck & Co.

and Chiron Corporation. She is a Board Member of the International Society for Vaccines (and President Emerita) as well as of Ipsen, where she chairs the Ethics and Governance Committee and is a member of the Innovation and Development Committee. She served on the boards of Transgene, Sangamo Biosciences, Adjuvance Technologies and the International Vaccine Institute (established by the United Nations), and was Senior Advisor in Vaccinology at the Bill & Melinda Gates Foundation.

Dr. Liu obtained an M.D. from Harvard Medical School and a B.A. in Chemistry from Colorado College. She completed an Internship and Residency in Internal Medicine and a Fellowship in Endocrinology, all at Massachusetts General Hospital/Harvard Medical School and was an Instructor in Medicine at Harvard University. She also was a Visiting Scientist at MIT where she pioneered bispecific antibodies.

Meenu Chhabra Karson is a recognized biopharmaceutical executive with a successful track record of strategic leadership, transaction execution, and accelerating value-generating milestones. Since July 2021, she has served as President & CEO of a private discovery-stage neurobiology company. She previously served as President and CEO of Proteostasis Therapeutics from 2014-2020 where she led the company through a successful IPO and subsequent financings to advance the cystic fibrosis pipeline from discovery to successful completion of Phase 2 studies.

She also led the strategic merger with Yumanity Therapeutics. From 2007 to 2014, Ms. Chhabra Karson was President and CEO at Allozyne, Inc. Prior to her time at Allozyne, she served as the Chief Business Officer at BioXell SpA, a spin-off from Roche Pharmaceuticals where she led corporate development and financing activities. Ms. Chhabra Karson has also held roles of increasing responsibility at Novartis, Warner-Lambert Company, LLC, and Bristol-Myers Squibb.

Currently, she serves on the board of Apexigen Inc. and Vallon Pharma, both public clinical-stage biopharmaceutical companies, and Fore Biotherapeutics Inc., a private precision oncology company, and is a member of the Biotechnology Innovation Organization (BIO). Ms. Chhabra Karson obtained her M.B.A. from York University and her B.Sc. from the University of Toronto.