People Nathan M. Greenfield peoplepill id: nathan-m-greenfieldNMG 6 views today 14 views this weekNathan M. GreenfieldBiographyListsAlso ViewedListsNathan M. Greenfield is in following listsBy category2007 non-fiction booksCanadian non-fiction booksHarperCollins booksFrom our partnersSponsoredNathan M. Greenfield