Regis University welcomes its 24th president Friday.Father John P. Fitzgibbons, S.J. replaces retiring Regis president Father Michael Sheeran, S.J., who had served as president since 1993.The Regis University Board of Trustees announced Sheeran’s retirement and  Fitzgibbons selection last summer 2011. An official inauguration ceremony for Fitzgibbons is scheduled for Sept. 25.The main Regis University campus is in Denver, but the school also has a campus in Colorado Springs.