CHASM members
![](https://www.cec.health.nsw.gov.au/__data/assets/image/0006/888360/Brett-Courtenay-edit-a.jpg)
Conjoint Associate Professor Brett Courtenay OAM
Chairman
MBBS FRACS
Orthopaedic Surgeon
![Dr Michelle Atkinson](https://www.cec.health.nsw.gov.au/__data/assets/image/0006/899142/Michelle-Atkinson.png)
Dr Michelle Atkinson
Deputy Co-Chair
BMed FRACS (A.Orth.A.)
Orthopaedic Surgeon
![](https://www.cec.health.nsw.gov.au/__data/assets/image/0012/886872/Dr-Robert-Costa-edit-a.jpg)
Dr Robert Costa
Member
MBBS FRACS
Cardiothoracic Surgeon
![](https://www.cec.health.nsw.gov.au/__data/assets/image/0005/886874/Andrew-Armstrong1.png)
Dr Andrew Armstrong
Member
MBBA FANZCA PG Dip Periop Echo
Anaesthetist
![](https://www.cec.health.nsw.gov.au/__data/assets/image/0008/886877/Julie-Howle.png)
Associate Professor Julie Howle
Member
MBBS (Hons I) MS FRACS FACS
Surgical Oncologist
![](https://www.cec.health.nsw.gov.au/__data/assets/image/0009/886878/Ruth-Collins.jpg)
Dr Ruth Collins
Member
BMBS BMedSci MD FRCS(Urol) (UK) FRACS
Urologist
![](https://www.cec.health.nsw.gov.au/__data/assets/image/0009/888354/Drew-Dixon-edit-a.jpg)
Dr (Anthony) Drew Dixon
Member
MBBS FRACS FAOrthA MHL (Syd)
Orthopaedic Surgeon and Medico Legal Consultant
![Dr (Saissan) Sai Rajendran](https://www.cec.health.nsw.gov.au/__data/assets/image/0005/888431/Saissan_headshots_final.jpg)
Dr (Saissan) Sai Rajendran
Member
MBBS GDAAD MS (Vasc) FRACS DDU
Vascular Surgeon
![Professor Zsolt Balogh](https://www.cec.health.nsw.gov.au/__data/assets/image/0010/888382/Zsolt-Balogh-edit-a.jpg)
Professor Zsolt Balogh
Member
MD PhD FRACS FACS FAOrthA
Orthopaedic Trauma Surgeon
![Dr (Upeksha) Pecky De Silva](https://www.cec.health.nsw.gov.au/__data/assets/image/0012/886890/Upeksha-Pecky-De-Silva.jpg)
Dr (Upeksha) Pecky De Silva
Member
BSc(Med) MBBS FRACS
Vascular Surgeon
![Dr (Katherine) Kate Gibson](https://www.cec.health.nsw.gov.au/__data/assets/image/0011/888383/Kate-Gibson-edit-a.jpg)
Dr (Katherine) Kate Gibson
Member
MBBS FRACS BSc (Hons) Microbiology MSc (Microbiology)
General Surgeon (Colorectal)
![Dr Christina Norris](https://www.cec.health.nsw.gov.au/__data/assets/image/0005/886892/Christina-Norris.jpg)
Dr Christina Norris
Member
BMedSci MBBS FRACP
Perioperative Geriatrician
![Dr Sally Butchers](https://www.cec.health.nsw.gov.au/__data/assets/image/0006/886893/Sally-Butchers.jpg)
Dr Sally Butchers
Member
BMed FRACS
General Surgeon (Rural)