Heat Biologics Inc. announced the addition of Mark Pryor, former US Senator from the State of Arkansas, to the company’s Biothreat Advisory Board. Former US Senator Mark Pryor currently serves with the premier law firm, Brownstein Hyatt Farber Schreck. He is a former two-term U.S. senator and Arkansas attorney general. During his 12 years representing Arkansas in the Senate, he worked across the aisle to pass more than 70 pieces of legislation on a range of critical issues, including homeland security and defense. Sen. Pryor served on several high-profile committees during his tenure, including Appropriations; Armed Services; Commerce, Science and Transportation; Homeland Security and Governmental Affairs.