https://orcid.org/0000-0002-0271-5400
Current Appointments & Affiliations
Associate Professor of Biostatistics & Bioinformatics
·
2023 - Present
Biostatistics & Bioinformatics, Division of Biostatistics,
Biostatistics & Bioinformatics
Associate Chair for Culture, Engagement, and Impact in the Department of Biostatistics & Bioinformatics
·
2024 - Present
Biostatistics & Bioinformatics,
Basic Science Departments
Member of the Duke Clinical Research Institute
·
2014 - Present
Duke Clinical Research Institute,
Institutes and Centers
Recent Publications
Estimation and inference of the win ratio for two hierarchical endpoints subject to censoring and missing data.
Journal Article J Biopharm Stat · May 11, 2026 The win ratio (WR) is a widely used metric to compare treatments in randomized clinical trials with hierarchically ordered endpoints. Counting-based approaches, such as Pocock's algorithm, are the standard for WR estimation. However, this algorithm treats ... Full text Link to item CiteA Tutorial for Propensity Score Weighting Methods Under Violations of the Positivity Assumption.
Journal Article Stat Med · December 2025 Violations of the positivity assumption can render conventional causal estimands unidentifiable, including the average treatment effect (ATE), the average treatment effect on the treated (ATT), and the average treatment effect on the controls (ATC). Shifti ... Full text Link to item CiteAbstract 4360915: Association Between Direct Oral Anticoagulant Dose and Risk of Stroke/Systemic Embolism, Major Bleeding, or All-Cause Mortality in Patients with Ischemic Stroke and Atrial Fibrillation
Conference Circulation · November 4, 2025 Background: Direct oral anticoagulants (DOACs) are recommended for stroke prevention in patients with atrial fibrillation (AF); however, inappropriate dosages may increase risk for adv ... Full text CiteRecent Grants
UrogynCREST Program
ResearchCourse Faculty · Awarded by Eunice Kennedy Shriver National Institute of Child Health and Human Development · 2019 - 2029Living donor liver transplant in minority populations
ResearchBiostatistician · Awarded by Vanderbilt University Medical Center · 2023 - 2028Balancing Risks and Benefits of Direct Oral Anticoagulants in Older Ischemic Stroke Patients with Atrial Fibrillation
ResearchStatistical Investigator · Awarded by University of Texas Southwestern Medical Center · 2022 - 2026View All Grants
Education
Harvard University ·
2012
Ph.D.