… imagine are out there to be opened.” The doors McDonell has walked through since earning her masters in 2005 and doctorate in 2013 have been substantial. Today, she is the Chief Nurse Executive and Senior Vice President for Patient Care Services for the Duke University Health System , a system with 24,000 employees that includes … substantial. Today, she is the Chief Nurse Executive and Senior Vice President for Patient Care Services for the Duke University Health System , a system with …