Columbia Leadership

Debbie Sabella Debbie Sabella, RN, BSN, MHA

Chief Executive Officer

Ms Sabella has over 29 years of healthcare experience working in both for profit and not-for-profit hospitals with 24 of those years in a variety of management positions. Throughout her career, Ms Sabella has provided optimum patient care and developed strong relations with staff and physicians. Strong customer relations and excellent service are the benchmarks of Ms Sabella’s healthcare career. She holds a Bachelor of Science degree in Nursing and a Master’s degree in Health Administration.

In August of 2005, Ms Sabella began her career with Landmark as the Chief Clinical Officer of the first Landmark Hospital in Cape Girardeau, Missouri, and was promoted to Chief Executive Officer in July 2006. Her professional experience in hospital management and new project development, as well as her clinical background, proved beneficial in her responsibility for the successful opening of the fourth Landmark Hospital in Columbia, Missouri in 2009, where she served as Chief Executive Officer for three years.

Ms Sabella accepted the position of Corporate Director of Hospital Development and Quality Implementation in 2012, for Landmark Hospitals. In this capacity, Ms Sabella was directly responsible for all phases of new hospital development including the construction, equipping and staffing of Landmark’s three newest hospitals located in Salt Lake City, Utah in 2013; Savannah, Georgia in 2014; and Naples, Florida in 2015. After the successful completion of three Landmark Hospital openings, Ms Sabella accepted the role of Chief Executive Officer of Landmark Hospital of Columbia.

Adam Clapper Adam Clapper, MD, FASCP

Administrative Chief of Staff

Dr. Clapper graduated from the University of Missouri-Columbia School of Medicine in 2002. He completed a residency in Anatomic and Clinical Pathology at the University of Iowa in Iowa City, IA and a fellowship in Surgical and Medical Pathology at the Mayo Clinic in Rochester, Minnesota. Dr. Clapper is board certified in Anatomic and Clinical Pathology and a fellow of the American Society for Clinical Pathology. He began his employment with Boyce and Bynum in June 2008 and currently oversees the division of Anatomic Pathology at Boone Hospital Center. He also has a teaching appointment in the Department of Pathology at the University of Missouri-Columbia and sits on the Board of Governors for the Missouri Medical Alumni Association. Dr. Clapper has been a member of the Medical Executive Committee at Landmark Hospital since its opening.