WASHINGTON--(BUSINESS WIRE)--Mid-Atlantic Bio today announced that John J. Castellani, the new President and CEO of the Pharmaceutical Research and Manufacturers of America (PhRMA) and James Greenwood, the President and CEO of the Biotechnology Industry Organization (BIO) will share the stage and address attendees in a joint plenary session at 2010 Mid-Atlantic Bio Conference on October 29 at the North Bethesda Marriott Convention Center in Bethesda, Md.