Two people look at a computer screen.

Our team

Dr. Stephen Choi.

Stephen Choi, MD, FRCPC, MSc
Medical and Research Director

Dr. Choi is an associate professor in the department of anesthesia at the University of Toronto. He is a scientist at the Sunnybrook Research Institute and director of the clinical research unit in the department of anesthesia.

Dr. Choi is also co-founder and co-director of the Perioperative Brain Health Centre – a multidisciplinary centre committed to improving patient education on brain health and identify 'optimal anesthetics' and therapeutic strategies to prevent and treat post - anesthetic cognitive deficits.

Lilia Kaustov.

Lilia Kaustov, MSc, PhD
Director of Operations

Dr. Kaustov is a director of operations of the Perioperative Brain Health Centre and research manager in the department of anesthesia, Sunnybrook Health Sciences Centre. Her expertise spans across various domains within basic and clinical research. She is particularly focused on bridging the knowledge translation gap between pre-clinical and clinical research, recognizing the importance of effectively translating scientific discoveries to improve patient care in the perioperative setting.

Connor Brenna.

Connor Brenna, MD
DPEP Clinical Research Fellow

Dr. Brenna is a resident physician in the University of Toronto department of anesthesiology & Pain Medicine’s Clinician Investigator Program. His academic interests are in the detection and prevention of perioperative cognitive disorders, and he has contributed to relevant projects in the Perioperative Brain Health Centre as a Clinical Research Fellow since 2020.

Cheng Zhang.

Cheng Queenie Zhang
Graduate student
DPEP Clinical Research Fellow 

Ms. Zhang is a graduate student supervised by Dr. Stephen Choi at the Sunnybrook department of anesthesia, working on PROMOTE and other projects related to reducing the instance of postoperative cognitive dysfunction and delirium in surgical patients.