BETHESDA, Md.--(BUSINESS WIRE)--Fifteen companies have been selected to present before an audience of venture capitalists and industry professionals at 2007 Mid-Atlantic Bio, held October 24-26th at the Bethesda North Marriott and Conference Center. Dedicated to promoting the growth of biotechnology in the Mid-Atlantic region, the conference is collectively sponsored by the Mid-Atlantic’s most influential bioscience and investor associations, the Mid-Atlantic Venture Association (MAVA), MdBio/Tech Council of Maryland and the Virginia Biotechnology Association (VaBIO).