Marian Phelan is Executive Director of Operations, formally Director Supply Chain Management at Merck. She has more than 25 years of professional experience in the fields of MES and Operations in the pharmaceuticals industry. Before joining Merck / MSD, for almost 11 years she worked at Pfizer. She is highly skilled in U.S. Food and Drug Administration (FDA) compliance, Verification and Validation (V&V), Computer System Validation, Regulatory affairs and Change Control.

At Merck, known as MSD outside of the United States and Canada, we are unified around our purpose: We use the power of leading-edge science to save and improve lives around the world. For more than 130 years, we have brought hope to humanity through the development of important medicines and vaccines. We aspire to be the premier research-intensive biopharmaceutical company in the world – and today, we are at the forefront of research to deliver innovative health solutions that advance the prevention and treatment of diseases in people and animals. We foster a diverse and inclusive global workforce and operate responsibly every day to enable a safe, sustainable and healthy future for all people and communities.