Seven years after Healing Rooms Ministries' first Spiritual Hunger Conference attracted 500 worshippers, founder and director Cal Pierce said he's expecting attendance to reach 2,800 at the eighth annual Spiritual Hunger Conference, Wednesday through next Saturday, at the new Group Health Exhibit Hall, 334 W. Spokane Falls Blvd. Speakers at this year's conference include Pierce, who founded the Christian-based ministry in July 1999; Bill Johnson of Bethel Church, Redding, Calif.; and Randy Clark of Global Awakening in St. Louis. Worship will be led by Heather Clark of Vancouver, B.C.