St. Mary's Hospital - Decatur About Us Administrative Staff Administrative Staff theresa rutherford, RN, MS, MBA, FACHE President & Chief Executive Officer TEL: 217-464-7665 Email: Theresa.Rutherford@hshs.org Ryan Jennings, MD Chief Medical Officer TEL: 217-464-7654 Email: Ryan.Jennings@hshs.org Allison Paul, DNP, RN, NEA-BC Interim Chief Nursing Officer TEL: 217-464-7654 Email: Allison.Paul@hshs.org