Led by Director Derek Barrigan, Kingdom Hall of Jehovah's Witnesses is located on a large campus and is one of over 100,000 congregations worldwide. It follows the beliefs and practices of the Jehovah's Witnesses and it's governing body, the Watchtower Society. For the past 21 years, the hall has offered weekly worship services or meetings, as well as opportunities for Bible study and scholarship to the witnesses of the Tri-Valley area. It places a strong emphasis on evangelism and thus provides a number of mission programs.