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Integrative Molecular Epidemiology Research Group

Staff and Fellows

Kierea Murison, MPH Epidemiology

Kiera Murison, MPH Epidemiology

Quantitative Data Coordinator

Kiera received her Master of Public Health in Epidemiology from the Dalla Lana School of Public Health at the University of Toronto. Previously, she worked to several projects on infectious disease epidemiology related to COVID-19 infection in pregnant individuals, and led a national project of Lyme Disease. In her current role, Kiera manages several large-scale datasets focus on cancer epidemiology, ensuring data quality and harmonization across multiple studies internationally.  She also leads statistical analyses investigating factors associated with cancer etiology and prognosis.

Yonathan Brhane, MS. Math; Biostatistician

Yonathan Brhane, MS. Math


Yonathan holds a Master’s degree in Statistics-Biostatistics from the University of Waterloo. He works as a Biostatistician in Dr. Rayjean Hung’s research group at Prosserman Centre for Population Health Research, Lunenfeld Tanenbaum Research Institute. Yonathan has experience in analyzing large-scale genomic, epigenetic, and clinical data of multiple cancers from international consortium. He is currently studying the utility of polygenic risk scores for lung cancer risk stratification. His research interests include using machine-learning approaches to develop and validate risk predictive models related to cancer etiology and progression.

Elham Khodayari Moez, Ph.D. Epidemiology; Postdoctoral Fellow

Elham Khodayari Moez, Ph.D. Epidemiology

Postdoctoral Fellow

Elham received her Master’s in Biostatistics from Tarbiat Modares University, Iran, and Ph. D. in Epidemiology from the University of Alberta, Canada in 2018. Her research interest is to understand complex genetic mechanisms of human diseases and traits via development and application of advanced bioinformatics tools for omics data. She is currently investigating the genetic modifications underlying the effect of maternal cytomegalovirus infection on the children’s cognitive functions.   She is also working on the pleiotropy of multiple embryonal tumors and predictive modeling based on proteomics data. 

Matthew Warkentin, Ph.D Candidate, Epidemiology; Doctoral Fellow

Matthew Warkentin, Ph.D., Epidemiology

Research Scientist

Matt received his MSc in Epidemiology from Brock University and PhD in Epidemiology at the Dalla Lana School of Public Health at the University of Toronto. He is currently a Research Scientist at the Lunenfeld-Tanenbaum Research Institute. Briefly, his research focuses on the molecular epidemiology of cancers. In particular, his work includes integrating genomics into high-risk stratification models for lung cancer screening, and using deep learning to analyze biomedical images to aid in the clinical-management of screen-detected pulmonary lesions.

Beiwen Wu, MS. PhD Fellow in Epidemiology

Beiwen Wu, MS. PhD Candidate in Epidemiology

Doctoral Fellow

Beiwen received her Master of Science in Public Health in Human Nutrition from Johns Hopkins University. Beiwen is currently pursuing her PhD in Epidemiology at the Dalla Lana School of Public Health at the University of Toronto under Dr. Hung's supervision, and a Doctoral Fellow at the Lunenfeld-Tanenbaum Research Institute. Her research focuses on lipidomics in cancer risk and prognosis of aerodigestive tract cancers by evidence triangulation using longitudinal cohorts and genetic instruments.

Sanjeev Budhathoki, Ph.D. Epidemiology; Postdoctoral Fellow

Sanjeev Budhathoki, Ph.D. Epidemiology

Postdoctoral Fellow

Sanjeev received his PhD in Medical Science from Kyusyu University. He worked at National Cancer Centre of Japan between 2013 and 2018. He joined the Prosserman Centre for Population Health Research, Lunenfeld-Tanenbaum Research Institute of Sinai Health System as a Postdoctoral Fellow in 2019 to pursue advanced training in genomics and molecular epidemiology under the supervision of Dr. Rayjean Hung. Sanjeev has experiences in analyzing longitudinal population cohort data and is interested in understanding cancer etiology through the integration of biologic and environmental factors. In particular, he is currently working on epigenomics and genomics analysis for cancer early detection and developing absolute risk models for upper aero-digestive tract cancers.

Hamad Al-Sawaihey, MBChB, MPH, FIBMS; Diagnostic Imaging Research Fellow

Hamad Al-Sawaihey, MBChB, MPH, FIBMS

Diagnostic Imaging Research Fellow

Hamad received his radiology board certification in Baghdad, Iraq and completed an MPH at the University of Oklahoma in the United States. From 2016 to 2019, he contributed to neuroradiology and oncology research projects at Sunnybrook Research Institute and Princess Margaret Research Institute, respectively. Hamad joined the Prosserman Centre for Population Health Research, Lunenfeld-Tanenbaum Research Institute of Sinai Health System in 2019 as a Diagnostic Imaging Research Fellow. He is currently working on an NIH-funded research program, focusing on the analysis and processing of CT scans in lung cancer screening studies. Hamad’s research interests include oncological and hybrid imaging.

Samantha Lee, MPH candidate, Epidemiology; Research Assistant

Samantha Lee, MPH, Epidemiology

Epidemiology Research Analyst

Samantha received her MPH in Epidemiology from the Dalla Lana School of Public Health at University of Toronto in 2020, after a practicum placement in Dr. Rayjean Hung’s group. Samantha has experience managing and analyzing longitudinal population data and her primary research interests include pediatric and perinatal epidemiology, as well as communicable/non-communicable disease epidemiology.  In particular, Samantha’s current research involves project coordination and etiological analysis of childhood cancer and birth cohorts.

Catherine Brown, MSc. Epidemiology; Scientific Associate

Catherine Brown, MSc. Epidemiology

Scientific Associate

Cathi received a M.Sc. degree in Epidemiology from McGill University and is a Scientific Associate at the Prosserman Centre for Health Research and UHN. She is coordinating the molecular and genetic epidemiological study of childhood brain tumours, and  coordinates the clinical outcomes repository for the International Lung Cancer Consortium (COS-ILCCO), and the Collider Bias Mendelian Randomization (CMR) working group.

Jenny Lye, B.Sc Biology, MPH trainee; Research Assistant

Jenny Lye, MPH

Epidemiology Research Analyst

Jenny received her Master degree of Public Health in the Schulich Interfaculty Program in Public Health at the University of Western Ontario. She joined the Prosserman Centre for Population Health Research as a Research Assistant in 2018 to recruit and follow-up with children in the Ontario Birth Study (OBS-Kids). Jenny’s primary research interests are in early child development and global health. She is currently investigating the relationship between perinatal factors and early child development in the Ontario Birth Study cohort.

Sierra Cheng, MPH Candidate, Epidemiology; Epidemiology Research Analyst

Sierra Cheng, MPH Epidemiology

Epidemiology Research Analyst

Sierra holds a Master's degree of Public Health in Epidemiology from the Dalla Lana School of Public Health, University of Toronto. She is working on the case-control study on childhood brain tumor study in Ontario and her primary research projects are to investigate the relationship between children’s early life determinants as well as mother’s medical histories with the risk of childhood brain tumours.

Chenyang Lu, MS. Candidate, Computer Science, Research Intern



Chenyang Lu, MS. Computer Science

Research Intern

Chenyang recieved his Master of Computer Science at the University of Toronto after the internship in Dr. Hung's research group. He is working on a research project focusing on detection and segmentation of lung nodules within low-dose computed tomography across multiple lung cancer CT screening programs using machine learning analytics.



Teresa MacKinnon, PCPHR Coordinator

Teresa MacKinnon, PCPHR Coordinator

Teresa is the Administrative Coordinator for the Prosserman Centre for Population Health Research and Manages the Administrative Assistant Staff at the Lunenfeld-Tanenbaum Research Institute. She has over 40 years of administrative experience in health care and research. Teresa studied Bioethics at the University of Toronto. She is a member of the University of Toronto Bioethics Society. Teresa is also a member of the Association of Administrative Professionals.







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