Dr. MacVittie has served as an advisor to the WHO Collaborating Centers in Radiation Emergency Medical
Preparedness and Assistance and the International Council on Radiation Protection and as a member of NATO Radiation Research Study Groups. He is a member of the CDC Strategic National Stockpile Radiation Working Group, the International Association of Radiopathology, the American Society of Hematology, the International Society of Experimental Hematology, Radiation Research and the International Society of
Dr. MacVittie is a member of the editorial board of the journal Stem Cells and serves as an ad hoc reviewer for numerous journals and National Institutes of Health/National Institute of Allergy and Infectious Diseases (NIAID) and Department of Defense grants and contracts. He is also a consultant for the International Atomic Energy Agency (IAEA) and Canadian Defense Research Establishment. Dr. MacVittie was recently invited by the Secretary, U.S. Department of Health and Human Services, to serve on the first National Biodefense Science Board Federal Advisory Committee. Dr. MacVittie is the principal investigator of the sole research contract ($47million/five years) awarded by NIAID to assess the efficacy and mechanism of action for Medical Countermeasures Against Radiological Threats (MCART). The MCART consortium has 15 research and administrative components in the United States, Canada and England.