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 Annual Global Investment Conference on Monday, May 17, 2010 at 9:50 am ET (14h50 BST) at The Grosvenor House Hotel in London, UK. Dr. Lewis will provide an overview of the Company and its clinical development programs.