Dr. Rellahan holds a MS in Cell Biology and a PhD in Immunology. She performed a post-doctoral fellowship in the Laboratory of Immune Cell Biology, National Cancer Institute, NIH, and joined the Division of Monoclonal Antibodies (DMA), Office of Biotechnology Products (OBP), FDA in 1995. At the FDA, Dr. Rellahan held several positions of increasing responsibility including research, and regulatory review positions. In 2013 she joined Amgen as a Director of Product Quality and manages a group of Product Quality Leaders who have product quality oversight of Amgen's biosimilar products including ownership of product specifications, stability and comparability.