Amsel-Arieli, Melody: American-Israeli (bi-lingual) family historian specializing in the holocaust period in Slovakia and Hungary. Affiliated with the Israel Genealogical Society and Histadrut HaMorim.
Harris, Laurence: Professional historian specializing in Anglo-Jewish research; in particular the East End, City of London, and the Greater London area.
McClellan, Marian Levine: Graduate of Columbia University, specializing in Jewish family history for Eastern Europe and the Russian Empire.