Marea held the position of clinical nurse consultant for cardiothoracic at St. Vincent’s Hospital, Sydney for many years. She has also previously held a conjoint appointment with St. Vincent’s Hospital and the Australian Catholic University in Sydney to conduct the nursing practice units in the Graduate Certificate in Cardiothoracic Nursing. Marea has helped coordinate and teach in programmes in Singapore, Hong Kong, and Indonesia. Marea continues to be a regular contributor to both the Australian Critical Care Journal and the Intensive and Critical Care Nursing (UK) Journal where she publishes a chest x-ray quiz in each issue.