Qinyun Lin is a postdoctoral fellow at the Center for Spatial Data Science. Her research interests include sensitivity analysis, causal inference, mediation analysis, social network analysis and multi-level models. Her dissertation proposes sensitivity analysis techniques for presence of spillover effects and heterogeneous treatment effects in multisite randomized control trials. Her dissertation work also looks at unobserved mediator as a post-treatment confounder in causal mediation analysis.