NEW YORK--(BUSINESS WIRE)--ZIOPHARM Oncology, Inc. (Nasdaq: ZIOP) announced today that Jonathan Lewis, MD, PhD, Chief Executive Officer, will present at the Rodman & Renshaw 11th Annual Healthcare Conference on Thursday, September 10, 2009 at 10:00 am ET at the New York Palace Hotel in New York City. Dr. Lewis will provide an overview of the Company and its clinical development programs.