Shas Yosef received strategic help and guidance from Rabbi Elazar Shach, leader of Israel's non-Hasidic Haredi Ashkenazi Jews. Yosef founded the party in 1984 on the platform of a return to religion, and as a counter to an establishment dominated by Ashkenazi Jews of European extraction. Not all Shas voters are themselves ultra-Orthodox. Many of its voters are Modern Orthodox and traditional Mizrahi and Sephardi Jews, due to its alignment with the promotion of an "authentic Middle Eastern" Israeli culture, which fits with traditional Zionist beliefs of a revival of authentic, non-Europeanized Jewish culture. However, it still represents the Sephardi and
Haredim and Zionism Sephardi or Mizrahi rabbis is far lower than among Ashkenazi rabbis, and these constitute a small minority of the Sephardi Haredi leadership. The Sephardi Haredi political party in the Knesset is Shas, which represents the vast majority of Sephardi Haredim, and is headed by Aryeh Deri. In 2010, Shas joined the World Zionist Organization, and officially became the first Zionist Haredi party. The party's long-time spiritual leader, Rabbi Ovadia Yosef, opposed saying Hallel in the Yom HaAtzmaut prayer service, but writes that, "One may say Hallel after the completion of the prayers, without the blessing..." While in the past, when