Ann Krupp is the wife of Fred Krupp, the longtime president of the Environmental Defense Fund (EDF), a prominent environmental advocacy organization. She maintains a low public profile with limited information available about her professional or personal activities beyond her familial connection. Residing with her husband in Norwalk, Connecticut, she is part of his personal support network and may potentially influence or support his environmental work through private means, though no specific public contributions or roles are documented. Her marriage places her within influential environmental and philanthropic circles in the United States, but she does not hold formal positions in these networks.