Ercem Atillasoy, M.D.

Chief Regulatory and Safety Officer

Dr. Atillasoy, Chief Regulatory and Safety Officer, has nearly 25 years of experience leading drug, biologic, and infectious disease product development. Prior to joining AlloVir, Dr. Atillasoy was at Merck Research Laboratories serving as Vice President and Therapeutic Area Head of Vaccines and Infectious Disease in Global Regulatory Affairs and Clinical Safety. He had responsibility and oversight for Merck’s extensive portfolio of infectious disease products, many of which have transformed human health. In addition, he oversaw engagement and strategy with regulatory agencies across the world, including those in theUnited States, Europe, Japan, and China.

Dr. Atillasoy joined Merck in 2001 and played an instrumental role in expediting development and approval of novel medicines and vaccines that have changed the world, including vaccines against viruses, such as Ebola (Ervebo®), human papillomaviruses that cause cancers (Gardasil® and Gardasil® 9), rotaviruses (RotaTeq®), those that cause pediatric illnesses (ProQuad®, Vaxelis™). Most recently, he had regulatory oversight for Merck’s lead investigational COVID-19-related vaccine and small molecule programs. Dr. Atillasoy has led regulatory filings and approvals for many antiviral agents, such as those against HIV (Isentress®, Delstrigo™, Pifeltro™), cytomegalovirus (Prevymis™) and hepatitis C (Zepatier®). In addition, Dr. Atillasoy oversaw the first IND filing for Keytruda® for melanoma, and he has supported approval of other oncology products that include Zolinza®, for cutaneous T cell lymphoma and Emend®. Earlier in his career, Dr. Atillasoy worked with the Medical Affairs Departments at Sandoz and Novartis Pharmaceuticals, where he supported licensure of anti-infective, dermatology, tissue engineered and cell therapy products, including Apligraf®.*

In addition to his professional accomplishments, Dr. Atillasoy was selected  and currently serves as the industry representative to the U.S. Food and Drug Administration (FDA) Dermatologic and Ophthalmologic Drugs Advisory Committee and served as Merck’s senior representative to the PhRMA Regulatory Steering Group and the BIO Vaccine Regulatory Advisory Committee. Dr. Atillasoy has published papers on a range of topics, including infectious disease, gene therapy, melanoma, dermatology, and tissue engineering.

Dr. Atillasoy is a graduate of the Yale University School of Medicine, where he was recognized as a Farr scholar, and continues to serve as a class officer. He completed his medical internship at Yale-New Haven Hospital and his dermatology residency at the University of Pennsylvania. He conducted research in carcinogenesis and gene therapy at the Wistar Institute. Dr. Atillasoy has received executive management and leadership training at institutions such as the Wharton School of the University of Pennsylvania and the UCLA Anderson School of Management. He maintains a voluntary Clinical Associate faculty position at the University of Pennsylvania. He graduated summa cum laude with a Bachelor of Arts degree in English from the City University of New York.

*Ervebo®, Gardasil® and Gardasil®9, RotaTeq®, ProQuad® Isentress®, Zepatier®, Zolinza®, Keytruda® andEmend® are registered trademarks of Merck and Co., Inc. Vaxelis™, Delstrigo™,Pifeltro™, and Prevymis™ are trademarks of Merck and Co., Inc.  Apligraf® is a registered trademark of Organogenesis, Inc.

Life @ AlloVir

Mission-driven teams developing transformative cell therapies for patients deserve transformative benefits. We make sure your life outside the lab is as purposeful as your life inside it.
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Our health plans include medical, vision, and dental covered at 90%, as well as Flexible Spending Accounts (FSA) and Dependent Care Accounts (DCA).
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Being connected and getting where you need to go is an important part of your work. We offer cell phone and commuter reimbursement programs that acknowledge the time you spend in and out of the office.
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AlloVir is the Global Leader in Developing VST Immunotherapies

We develop highly innovative allogeneic, off-the-shelf VST therapy candidates designed to treat or prevent devastating viral infections and diseases.

Our Pipeline

Our allogeneic, off-the-shelf, VST therapy candidates target 12 different devastating viruses to treat or prevent life-threatening viral diseases.
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Our Platform

Our proprietary platform develops allogeneic, off-the-shelf VSTs designed to restore immunity in patients with T cell deficiencies.
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Our People

Our founders have a singular vision: to serve patients at risk of the devastating consequences of severe viral infections and diseases.
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