ANN ARBOR, Mich., March 4, 2011 (GLOBE NEWSWIRE) -- Aastrom Biosciences, Inc. (Nasdaq:ASTM), a leading developer of expanded autologous cellular therapies for the treatment of severe, chronic cardiovascular diseases, today announced that company president and CEO Tim Mayleben will speak at the Cowen 31st Annual Healthcare Conference, which is being held March 7-9, 2011, at the Boston Marriott Copley Place in Boston.