McCormack is the Head of The Susan Wakil School of Nursing and Midwifery & Dean, Faculty of Medicine and Health, The University of Sydney.

McCormack started out his career as a psychiatric staff nurse in St Loman's Hospital, Mullingar Ireland.

Shortly after, McCormack returned to the Royal Berkshire Hospital to take upon his first Charge Nurse (Job-share)/Nurse Teacher role within the General & Vascular surgery unit.

Professor McCormack became the Head of The Susan Wakil School of Nursing and Midwifery & Dean, Faculty of Medicine and Health, The University of Sydney in May 2022.

2008: Fellow of The European Academy of Nursing Science [EANS] 2011: Senior Distinguished Research Fellow, Ulster University 2011 (with Professor Bridie Kent):  Sigma Theta Tau Book of the Year (Kent B and McCormack B (2010) An enabling context for evidence-based practice.