 Dorothy Height, who had been Chairperson of the Leadership Conference's Executive Committee, died on April 20, 2010; as of June 25, 2010, her replacement as chair had not yet been named.As of June 2010, the Leadership Conference website reported that the organization had "more than 200" member organizations.The site described the organization's mission as "promot[ing] and protect[ing] the civil and human rights of all persons in the United States .