Liberty Defense Holdings Ltd. is pleased to announce that it has added Virginia Buckingham to its board of advisors. Ms. Buckingham previously served as vice president of corporate affairs for Pfizer, CEO of the Massachusetts Port Authority, held several prominent roles for two Massachusetts governors, and has also held other key executive positions. The Massachusetts Port Authority operates three airports, the shipping and cruise terminals in the Port of Boston, and the Commonwealth Flats anchor development sites in Boston?s Seaport District. During her time as CEO there, she successfully led the expansion of Logan Airport?s capacity, reduced airport congestion, and opened direct shipping between China and Boston.