The highly technical nature of mortality data represents an obstacle to the proper and effective functioning of Non-Executive Directors. NEDs were generally doubtful of their ability to properly question and hold Executive Directors to account. Non-clinical NEDs are heavily reliant on clinical NEDs, but specifically on the Medical Director for assurance. To a degree, most are not confident to undertake their own analysis and scrutiny of mortality data and feel unable to evaluate proposals made by Executive teams to mitigate and manage risk. To mitigate these issues, greater training should be provided to nonclinical NEDs, and organizations should consider the need for sub specialization and the possibility of recruiting more medically qualified NEDs.