Dr Poirier is a diplomate of the American Board of Pathology in anatomic and clinical pathology as well as in transfusion medicine. He earned his medical degree from the University of Colorado Health Science Center in Denver, where he received the dean's recognition for academic excellence. Dr Poirier has completed residencies in anatomic and clinical pathology at the University of California at Davis in addition to fellowships in surgical pathology and transfusion medicine. He has worked with the nonprofit organization, Global Healing, and the Republic of Georgia's National Center for Disease Control on a plan to improve the safety of Georgia's national blood service. He also provided a series of advanced transfusion medicine training programs at various medical centers throughout the Republic of Georgia.
Dr Poirier holds membership in the American Society for Clinical Pathology (ASCP), the College of American Pathologists (CAP), the AABB (American Association of Blood Banks), the American Society for Apheresis, and the American Society of Hematology.