ANN ARBOR, MI – Eileen Sheahan brought a joyful energy into any room she entered, her family and sorority sisters said. The 22-year-old University of Michigan senior had a smile that lit up an entire room, said her aunt Kathy O’Brien Caplice. Her Alpha Phi sorority sister Megan Martz called that same smile infectious, while another sister Grace Aretakis called it unforgettable.