Linda Clarke. Her primary practice is as a Registered Nurse: Administrator, also practicing as a Nutritionist: Nutrition, Education, a Registered Nurse: Case Management, a Registered Nurse: Continuing Education/Staff Development, a Registered Nurse: General Practice, a Registered Nurse: Nutrition Support, a Registered Nurse: Pediatrics, a Clinical Nurse Specialist: Community Health/Public Health, and a Clinical Nurse Specialist: School.