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About Us


Dan McKinney, Administrator Dan McKinney, CPA, MBA


Dan McKinney is Hermann Area District Hospital’s Administrator.  Dan graduated with a Bachelor’s of Science in Business Administration with an emphasis in Accounting from the University of Missouri.  He later received his Master’s in Business Administration from Stephens College in Columbia, Missouri.  Dan is a Certified Public Accountant, and serves on various Missouri Hospital Association Boards and Committees. What originally attracted Dan to his career path was his work at a small hospital named Reynold County Memorial Hospital in Ellington, Missouri, following the graduation of his Bachelor’s degree. He liked the people, the challenge, and the ability to make a difference.  After his experience there and at two other hospitals, he began working at Hermann Area District Hospital in 1986 as the Assistant Administrator of Finance.  A few years later in 1992 he took on the role as the Administrator and Chief Financial Officer at Hermann Hospital.  His position later transitioned into Administrator and the financial side of the position branched out into a position of its own.  When asked what attracted him to Hermann Hospital, Dan replied:  “I was attracted to the Hermann Area District Hospital because Hermann has such a great community support of the hospital.  The people of Hermann see the hospital as a valuable part of the community.” Dan McKinney offers Hermann Area District Hospital over 30 years of his life dedicated to its mission in serving Hermann and the surrounding communities.

Sue Daller, Assistant Administrator of Nursing & Director of NursingSue Daller, RN

Director of Nursing

Sue Daller is Hermann Area District Hospital’s Director of Nursing.  Sue is a Registered Nurse and graduated from Lincoln University with an Associate of Applied Science in Nursing.  She is also certified in:  Emergency Nursing Pediatric Course (ENPC), Advanced Cardiac Life Support (ACLS), Basic Life Support (BLS), and Trauma Nursing Core Course (TNCC).   Sue began working in nursing at Hermann Hospital in 1987.  After working at Hermann Hospital for close to a decade, Sue left for 6 years to gain additional experience outside of Hermann Hospital, and returned in 2002 as the Director of Nursing.  Sue has 30 plus years of experience in the field.  When asked what attracted her to nursing, she replied, “I wanted to help people. My current position allows me to help patients, as well as help HADH staff grow and learn, while giving safe up-to-date care to our patients.”  When asked what drew her to work at Hermann Hospital, she responded, “I like the close proximity to home, as well as the close family-feel, not only with my peers, but with patients and their families as well.”  Sue Daller shares with Hermann Hospital her knowledge and experience with staff, as well as her care and compassion to our patients.

Matt SiebertMatt Siebert, BSRT, MHA

Assistant Administrator

Matt Siebert is Hermann Area District Hospital’s Assistant Administrator.  Matt graduated with his Bachelor of Science in Radiologic Technology with honors, receiving Magna Cum Laude from the University of Missouri in Columbia.  He then pursued and achieved his Master of Health Administration from the University of Missouri.  Matt began working at Hermann Hospital in 2007.  His 20 plus years of experience in the field adds to his role at Hermann Hospital where he shares his knowledge and experience with staff.

Shirley ViolaShirley Viola

Administrative Assistant

Shirley Viola is the Administrative Assistant to Dan McKinney, Administrator, at Hermann Area District Hospital. Shirley graduated Hermann High School in 1970 and initially began her employment at Hermann Hospital in August of 1970.  Shirley started working in the Medicare Billing Department and over the years has also worked in Admissions, Insurance Billing, and assisted in Purchase and Medical Records.  She enjoys the variety of duties associated with her position and has been a part of the HADH family for close to 50 years.