The grocer had hoped the changes would be enough to reach a truce with the activist investor, but Jana decided to keep its options on the table. Whole Foods has already held its 2017 annual meeting, meaning a potential proxy fight for control of the board has to wait until next year. Jana, which had a stake of more than 8 percent as of May 27, has named four potential board nominees who could be part its slate in 2018: Glenn Murphy, who previously ran Gap Inc.; Thomas Dickson, the ex-CEO of Harris Teeter Inc. who helped sell that chain to Kroger; Meredith Adler, a former equity analyst who serves as a food consultant; and Celeste Clark, a former Kellogg Co. executive who has been working as a regulatory and nutrition consultant. The crisis has become a "morality play between conscious capitalism and greedy, short-term financial capitalism," Mackey said in the interview. "They're greedy bastards," he said.