Research Icon Research Interests

My current research focuses on improving and applying cutting-edge causal inference methods to address clinically relevant questions about the treatment and prevention of chronic diseases. Specifically, I am interested in applying and improving causal inference methods for target trial emulation. Much of my work is focused on the development of instrumental variable methods for time-varying treatments and outcomes (via g-estimation of structural models), and the application of these methods to randomized trials and Mendelian randomization studies.

Previous research (during my MSc in Epidemiology at Queen’s University and as a Data Analyst at the Center for Global Child Health at the Hospital for Sick Children) includes work in cancer epidemiology, genetics, and global child health and nutrition.

Teaching Icon Teaching

I teach methods for causal inference at the Harvard T.H. Chan School of Public Health (as part of the Department of Epidemiology and CAUSALab), and Harvard Medical School (as part of their Master of Medical Sciences in Clinical Investigation (MMSCI) program).

You can find some of my teaching- and course-related materials here.

Education Icon Education

2016-2020 PhD, Population Health Sciences
Harvard T.H. Chan School of Public Health, USA
2019-2020 SM, Biostatistics
Harvard T.H. Chan School of Public Health, USA
2013-2015 MSc, Epidemiology
Queen's University, Canada
2009-2013 BScH, Life Science
Queen's University, Canada

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Joy Shi

Epidemiologist and Instructor @ HSPH