Complex sentence: As teacher of Christianity in Dallas, Texas, he led a strong pro-Israel ministry, Zola Levitt Ministries, Inc., a non-profit 501 (c) organization for the purposes of "evangelism of the unbelievers and the exhortation of the believers".
Split into simpler sentences: As teacher of Christianity in Dallas, Texas, who had a strong pro-Israel ministry. He led Zola Levitt Ministries, Inc., a non-profit 501 (c) organization for purposes of "evangelism of the unbelievers and the exhortation of the believers".