THE WOODLANDS, Texas--(BUSINESS WIRE)--Opexa Therapeutics, Inc. (NASDAQ: OPXA), a company developing Tovaxin®, a personalized T-cell immunotherapy for multiple sclerosis (MS), today announced that Neil K. Warma, Opexa’s president and chief executive officer, will deliver a corporate presentation at Rodman & Renshaw’s 11th Annual Healthcare Conference. The conference will be held September 9-11, 2009, at the Palace Hotel in New York City.