AbbVie has made changes to its Executive Leadership Team as part of an effort to streamline its organizational structure and support its growth strategy. The following will report to AbbVie chairman and chief executive officer Richard A. Gonzalez. Michael E. Severino, M.D., AbbVie’s executive vice president, R&D and chief scientific officer, has been named vice chairman and president.  In his role, Dr. Severino will be responsible for R&D, human resources, operations, and the co...