Dr.Bannister served on the board of the Center for Pediatric Emergency Medicine, was a founding member of the board of New Beginnings Family Academy, a charter school in Bridgeport, CT, and served on the boards of Saugatuck Child Care Services and Greens Farms Academy in Westport, CT. Currently, Dr. Bannister is on the advisory board of the Mt. Sinai Medical Center Martha Stewart Center for Living and the boards of The Redwood Library and Athenaeum and The Newport Hospital Foundation. In 2014, she and her husband received the Doris Duke Historic Preservation Award from the Newport Restoration Foundation for the restoration of “Seaweed” in Newport, and in 2017, received a second Doris Duke award for the restoration of a Richard Morris Hunt-designed carriage house in Newport.