Her research involves causal inference and missing data in the statistics of mental health.

She was a co-author on a study showing that post-suicide-attempt counseling can significantly reduce the risk of future suicide.

[1] Stuart graduated from Smith College in 1997, with a mathematics major and chemistry minor.

[2] In 2023, she was promoted to The Frank Hurley and Catharine Dorrier Professor and Chair of the Hopkins Biostatistics department.

In 2014 she was elected as a Fellow of the American Statistical Association "for outstanding contributions to research in the estimation of causal effects; for extensive efforts in the dissemination of statistical methods in education and mental health, including the development of widely used software; and for extensive service to the ASA and the profession.