NEW YORK--(BUSINESS WIRE)--ZIOPHARM Oncology, Inc. (NASDAQ: ZIOP) announced today that Dr. Jonathan Lewis, Chief Executive Officer, will present at the G5: ThinkEquity Partners 5th Annual Growth Conference on Monday, September 17, 2007 at 9:00 a.m. PT (noon ET) at the St. Regis Hotel in San Francisco, CA. Dr. Lewis will provide an overview of the Company and an update on its clinical development programs.