NEW YORK--(BUSINESS WIRE)--ZIOPHARM Oncology, Inc. (NASDAQ: ZIOP) announced today that Dr. Jonathan Lewis, Chief Executive Officer, will present at the Roth 20th Annual OC Growth Stock Conference on Tuesday, February 19, 2008 at 10:30 am PT (1:30 PM ET) in the Promenade Room at the Ritz Carlton Laguna Niguel in Laguna Niguel, CA. Dr. Lewis will provide an overview of the Company and an update on its clinical development programs.