John Mark Oliver is an Advanced Practice Registered Nurse working in the Department of Pediatric Neurology at Vanderbilt University Medical Center. His clinical interests and field of work involve managing intrathecal baclofen pumps to aid in pediatric patients dealing with muscle spasticity. He is certified from the Pediatric Nursing Certification Board in both Pediatric Primary Care as well as Pediatric Acute Care.

John Mark spent the first seven years of his nursing career working within multiple pediatric departments at the bedside including the emergency department, intensive care unit, and acute care unit. During this time, he became passionate about providing compassionate, timely, and excellent care to children and their families.