Peggy Sloan, the chief animal conservation officer at Shedd Aquarium in Chicago, will begin her new job in May. She replaces Bob Davidson, who will retire after 23 years as CEO.

Allen Francis Sloan, 83,died Thursday. Husband of Mary; father of Kathleen Carlson, Peggy Sloan, Janet (Edmund) Darcher, Patricia (Robert) Elmore and Mary Alice (Thomas) Shinners; brother of ...