David Ben Yosef is a graduate student at Spertus Institute for Jewish Studies and Leadership; he has researched a broad range of topics including: Sephardic Jewish history, Jewish law and ethics and Jewish mysticism. David was a guest speaker at the SCJS Conference in San Antonio in 2010.His book review of  Anna Ysabel D’ Abrera’s Tribunal of Zaragoza and Crypto-Judaism: 1484-1515 was published in the Journal of Spanish, Portuguese, and Italian Crypto-Jews.He is also the author of several papers on Crypto-Judaism such as Maimonides’ Iggeret hashemad and his latest work Sabbateanism and the Marrano Experience.