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Our Faculty

HSA Group faculty members are experts in their specialty that are passionate about sharing knowledge and developing skills using contemporary teaching and learning approaches. We subject ourselves to a peer review process to ensure we deliver relevant education that excites, inspires, and informs.

Because education should excite, inspire and inform

Ann-Maria Xuereb


Ann-Maria Xuereb, RN, BN (UWS), Grad. Cert Nurs. (Anaes. & Recov) (UTS).

Current Appointments

Clinical Skills Coordinator USyd Westmead Clinical School Faculty of Medicine and Health 

Clinical Nurse Specialist Anaesthetics and Recovery Sydney South West Private Sydney


Previous Appointments

Nurse Unit Manager Anaesthetics and Recovery Norwest Private Hospital Sydney

Clinical Nurse Consultant Anaesthetics and Recovery Norwest Private Hospital Sydney

Clinical Nurse Specialist Anaesthetics and Recovery The Hills Private Hospital Sydney

Registered Nurse  Genea (Sydney IVF) Day Surgery, Sydney

Christine Wheeler


Christine Wheeler, RN, Dip. Appl. Sci. Cert IV TAE

Christine Wheeler has enjoyed a multi faceted career gaining extensive experience across both the health and design industries. 

Clinical service within the perioperative area includes periods as both anaesthetic and recovery nurse, preceptor and educator followed by several years as Nursing Unit Manager Anaesthetics and Recovery for Ramsay Healthcare. 

Christine also travels overseas every year to support Interplast Australia and New Zealand's programs in The Phillipines as a Perianaesthesia Nurse and Educator. 

Donna Stibbard


Donna Stibbard

Donna is recognised nationally and internationally as a subject matter expert in ventilation and anaesthesia devices. 

Donna has a long history of education and training with 20 years within NSW/QLD health and 12 years within the private healthcare industry in education/advisory roles. 

 Donna’s experience within the international aid sector with AUS AID, AUS Health, the United Nations, The World Bank and more recently, The University of Melbourne, gives her a unique and holistic approach to delivering clinical education. 

Over the last decade Donna has facilitated workshops at national and international conferences and gave a plenary at the ASAPO National Conference in 2009 titled A-Z on Ventilation

Elliot Williams

 Elliot Williams,NP, BN (UTS), MN (NP)(Syd.), GradCert CritCare

Nurse Practitioner

Elliot is a Nurse Practitioner in the Intensive Care Unit at Royal North Shore and Casual Academic, Sydney Nursing School, Faculty of Medicine and Health, University of Sydney, teaching on the Master of Nursing, Nurse Practitioner course. 

He also holds the position of Deputy Commissioner (Clinical Systems) for St John Ambulance Australia (NSW).

Elliot has clinical sub-specialty interest and practice in advanced vascular access procedures, procedural sedation, extracorporeal life support, transport of critically ill patients, tracheostomy management and complex long-term patient case management. 

Elliot is an experienced educator, having been an ALS instructor since 2014, and in addition to his current academic appointment, has held previous roles as ICU Clinical Nurse Educator, and Clinical Fellow of the Faculty of Health, University of Technology, Sydney. 

Elliot is also an early-stage researcher and has a presentation and publication list as follows:

Co-investigator, EXCEL ECMO registry study, Royal North Shore Hospital site 2020 – Current

Project Steering Committee Member, Paramedic use of mechanical ventilators for comatose  survivors of out-of-hospital cardiac arrest (PreVENT trial) 2022 

Williams, E. (2021) Arterial catheters for venous cannulation and injection of radiopaque contrast.  Journal of Vascular Access (0)0, 1-2, doi: 10.1177/11297298211045504

Webb, S., Butler, J., Williams, E., Harbour, K. & Kelleway, K. (2022) Intensive care nurse practitioner program: Poster presentation. Australian College of Nurse Practitioners Conference.  Presented in Brighton-le-sands New South Wales 14 October 2022

Webb, S., Butler, J., Williams, E., Harbour, K. Intensive care nurse practitioners in Australia – A description of a service model in an adult tertiary intensive care unit. Australian Critical Care. 2022. 0 (0) 

In-press: Buckley, T. & Williams, E. (2023) Cardiovascular assessment and monitoring. In L. Aitken, A. Marshall & W. Chaboyer (Eds.), Critical Care Nursing 5e. 

In-press: Williams, E. (2023) Nursing management: Obstructive pulmonary diseases. In D. Brown, H. Edwards, T. Buckley & R. Aitken (Eds.), Lewis’s Medical-Surgical Nursing 6e. 

Invited speaker:
* ACCCN Critical Care Seminar 2017 – Continuous Renal Replacement Therapy on ECMO 
* Australasian Cardiovascular Nursing College (ACNC) Conference 2018 – ECMO 
* ACCCN ICE Conference 2018 “The Future is Critical” – Sepsis Panellist 
Williams, E., Webb, S., Harbour, K. & Butler, J. (2022) NPs in the ICU. Australia and New Zealand  Intensive Care Society and Australian College of Critical Care Nurses Annual Scientific Meeting, International Convention Centre, Sydney, Australia.

Williams, E. (2022) Prehospital Emergency Anaesthesia. Western Pacific Mass Gathering Symposium 2022. Griffith University, Gold Coast, Queensland, Australia.

Hayley Notley


Hayley Notley (formerly Edwards)

RN, B.N/B.Clin. Prac. Paramed. (CSU), Grad. Cert. Periop. Nurs. (ACN), Grad. Dip. Nurs. (Periop) (UTAS), MCN (Periop) (UTAS)


Hayley’s professional Perioperative career has spanned more than 15 years with experience working in both metropolitan and regional facilities within the private and public sectors, and volunteering internationally in the South Pacific. 

Most recently Hayley was appointed to the role of Operating Suite Nurse Unit Manager at the Children’s Hospital Westmead, a quaternary referral children’s hospital in Sydney, the largest paediatric facility in NSW. 


Hayley has fulfilled various roles within the Perioperative department including clinician, preceptor, mentor, manager and educator and has worked across all surgical specialties with a particular interest in colorectal surgery. 


Hayley is invested in succession planning the future of Perioperative practice, and development of passionate leaders from the ground up, and beyond. 


Previous Professional Perioperative appointments 

  • NUM Operating Suite Children’s Hospital Westmead
  • NUM clinical coordination Concord Repatriation General Hospital (CRGH)
  • Acting NUM - specialty scrub/scout team, CRGH
  • Acting CNE CRGH
  • CNS scrub scout CRGH
  • RN Norwest Private Hospital 
  • RN Bathurst Base Hospital 


Jamie-Paul Mann-Farrar

Jamie Mann-Farrar, RN, BN (UTS), MHSM (CSU), MBA (CSU) Grad. Cert. (Anaes. & Rec) (UTAS)

Adj. Associate Professor of Nursing

An experienced healthcare executive, educator, novice researcher & international speaker.

Before joining HSA Group as our CEO & Director of Education, he held the position of CEO & Director of Nursing at West Leederville Private Hospital

His academic work has resulted in a Judith Meppem Scholarship for Innovation, research cited in the European Resuscitation Council Guidelines and publication in the Medical Journal of Australia, the CSIRO Journal, International Journal of Perianaesthesia Nursing and Anaesthesia & Intensive Care.

Jamie has formerly held positions as a Perianaesthesia Clinical Nurse Consultant at the Princess Alexandra Hospital and Clinical Nurse Consultant of the Clinical Emergency Response System (MET) at Concord Repatriation General Hospital.

He is a curriculum assessor with the Australian Nursing and Midwifery Accreditation Council (ANMAC) for programs leading to a Bachelor of Nursing and was the only Australian nurse appointed to the expert panel on the Assistant to the Anaesthetist Standard (PS08) Australian New Zealand College of Anaesthetists (ANZCA) (2016).

A recognised & respected subject matter expert in perianaesthesia nursing, Jamie has been appointed Adjunct Associate Professor at both the University of Notre Dame & Central Queensland University.

His research & published work includes:

Mann-Farrar, Egan, Higgins, Wysocki, Vaux, Arndell, & Burmeister (2019). Are Postoperative Clinical Outcomes Influenced by Length of Stay in the Postanesthesia Care Unit? J Perianesth Nurs, 34(2), 386-393. doi:10.1016/j.jopan.2018.07.004

CONCORD Medical Emergency Team (MET) 2 Study Investigators investigator group (2019) Outcomes following changing from a two-tiered hospital to a three-tiered rapid response system. Australian Health Review 43(2):178-187. doi: 10.1071/AH17105

Cheung, Sahai, Mann-Farrar, Skylas, Uy, et al. (2014). Incidents resulting from staff leaving normal duties to attend medical emergency team calls. Medical Journal of Australia 201(9), 528-531.

Cheung, Mann-Farrar, Gullick, Vogelzang, Thanakrishnan, Veitch, et al. (2013). Future trials to investigate a ward physician leadership model for the Medical Emergency Team (MET) are not logistically feasible. Anaesthesia & Intensive Care, 41(5), 679-680.

Marrianne McGhee

Marrianne McGhee, RN, BN (UWS) M.Adult Ed. (UTS)


Marrianne's stella career spans 25 years as a perioperative nurse and educator, she has been a sought after academic contributing to the perioperative teaching curriculum at a number of universities including UWS, Notre Dame and University of Wollongong.

Recognising the challenges facing instrument and circulating nurses, Marrianne created the app ScrubUp which has world-wide distribution. For the past 8 years Marrianne has been an Expert Reviewer with the Health Care Complaints Commission.

Marrianne is also an active humanitarian, volunteering with AusAid as a Perioperative Nurse Educator and clinically with Orthopaedic Outreach. 

Sarah Gordon

Sarah Gordon, RN, BN (SYD.), Dip. Apl. Nurs., Grad Cert Crit. Care (Paed)

 Sarah’s career spans 28 years as a Critical Care Nurse. She has practiced in both rural and metropolitan settings

 Career highlights include:

  • Paediatric ICU RN, Westmead Children’s Hospital
  • Medical Education Coordinator Tamworth Hospital
  • CNC Transfusion & Respiratory Medicine Hunter New England
  • Tamworth Rural Hospital aeromedical retrieval Nurse
  • RN ICU Dubbo Base
  • Hospital Nurse Educator Dubbo Private Hospital
  • Clinical Nurse Educator Deteriorating Patient Standard 8

 Most recently Sarah has worked in the virtual care environment providing supported critical care services to small sites with limited (sometimes none) medical cover via Telehealth services within a large rural NSW LHD.


Sharon Ho

Sharon Ho RN, BN (SYD), GradCert Periop

Clinical Nurse Consultant

With over 3 decades as a clinician, Sharon is considered an expert in ortho. A former orthopaedics CNC, Sharon owns and operates Ortho Angels a bespoke nursing agency for orthopaedic scrub nurses that have attained specialist standing.

Sharon has been a preceptor of novice and experienced scrub nurses since 2002 including clinical facilitator for the Faculty of Nursing, Midwifery and Health, University of Technology, Sydney.



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