Associate Professor Bette Liu MBBS (Hons), MPH (Hons), DPhil (Oxon)
Associate Director, Population Health – Executive Management Team
Senior Medical Officer, Immunisation
Sandrine Stepien MSc

Sandrine Stepien is a biostatistician and holds a masters degree in applied biostatistics from the University of Montpellier in France. She started her career in pharmaceutics and worked on various clinical trials in various therapeutic areas. She then moved toward a more academic position at The George Institute for Global Health in Sydney. Her experience in clinical trials and pharmaceutical settings has helped her develop a rigorous approach to processes and a mindset for traceability and reproducibility. Academic research, on the other hand, has increased her capacity to adapt to unexpected challenges. She enjoys making sense of the data she analyses, finding achievements working with researchers, and providing statistical support and robust analysis.

Anish Scaria BSc (Hons), MSc
Biostatistician – Data Analyst

Anish Scaria holds a master’s degree in medical statistics from the University of Auckland. He started his career in the renal research network at the University of Queensland; he has since worked in academic and research environments within both clinical trial and observational data settings. He previously worked at the Ministry of Health, within the linked data space, in which he has a keen interest. Anish is most comfortable with the use of SAS statistical software and is actively updating his skills in R and Python. He enjoys a collaborative approach to work and the application of new statistical techniques to a wide range of datasets.

Dr Jiahui Qian MPH, PhD
Senior Research Officer

Jiahui Qian is an epidemiologist and data analyst with a specific focus on vaccine-preventable diseases. She was awarded her PhD in epidemiology from UNSW Sydney in 2021 and has since worked as a post-doctoral fellow at the Black Dog Institute, UNSW Sydney and, subsequently, NCIRS as a contingent worker. Her research has been focused on utilising record linkage of health datasets to uncover the epidemiology of infectious diseases and to evaluate vaccine effectiveness. She has actively contributed to a range of research projects, including on herpes zoster, COVID-19 and maternal vaccine effectiveness.

Shayal Prasad BHSc
Research Assistant

Shayal Prasad completed a Bachelor of Health Sciences majoring in Movement Science and is currently studying a Master of Public Health at the University of Sydney. She joined NCIRS in 2022 and initially supported the COVID-19 School Study and PAEDS teams; she is now involved in a range of projects across the Serosurveillance and Population Health teams.

Last updated May 2024