About Me
I am an assistant professor of Biostatistics at Vanderbilt University Medical Center. My methodological work focuses on missing data, two-phase designs, measurement error, and semiparametric regression. I am particularly interested in using robust design-based estimators to derive cost-efficient two-designs. Most of my methodological work is motivated by my collaborations in Global Health, in particular related to HIV, Tuberculosis, and other upper respiratory infections. I am also an associated editor for the International Journal of Tuberculosis and Lung Disease.
Education
- BSc in Physics, Federal University of Minas Gerais, Brazil (2004)
- MSc in Statistics, Federal University of Minas Gerais, Brazil (2010)
- PhD in Statistics, The University of Auckland, New Zealand (2015)
Previous Experience
- Postgraduate Researcher at Ghent University, Belgium (2015-2017)
- Postgraduate Researcher at Janssen Pharmaceutical, Belgium (2017-2018)
Publications
Application
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Effects of missed anti-tuberculosis therapy doses on treatment outcome: a multi-center cohort study
Isabella B. B. Ferreira, Rodrigo C. Menezes, Mariana Araújo-Pereira, Valeria C. Rolla, Afrânio L. Kritski, Marcelo Cordeiro-Santos, et al. -
Pharmacogenetics of tuberculosis treatment toxicity and effectiveness in a large Brazilian cohort
Gustavo Amorim, James Jaworski, Jing Yang, Marcelo Cordeiro-Santos, Afrânio L. Kritski, Marina C. Figueiredo, Megan Turner, Bruno B. Andrade, Digna R. Velez Edwards, Adalberto R. Santos, Valeria C. Rolla, Timothy R. Sterling, David W. Haas; RePORT-Brazil network collaborators. Pharmacogenetics and Genomics. 2025; 35(2):55–64. DOI: 10.1097/FPC.0000000000000552 -
Effect of Smoking on Longitudinal Interferon-γ Release Assay Results Among Close Contacts of People with Pulmonary Tuberculosis
María B. Arriaga, Gustavo Amorim, Marina C. Figueiredo, Cody Staats, Afrânio L. Kritski, Marcelo Cordeiro-Santos, Valeria C. Rolla, Bruno B. Andrade, Timothy R. Sterling; for the RePORT-Brazil consortium. The Journal of Infectious Diseases. 2025; 231(1):103–108.
Methodology
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Ascertainment Conditional Maximum Likelihood for Continuous Outcome Under Two-Phase Response-Selective Design
Gustavo Amorim, Ran Tao, Thomas Lumley, Pamela A. Shaw, Bryan E. Shepherd. First published: 14 July 2025. -
Three-phase generalized raking and multiple imputation estimators to address error-prone data
Gustavo Amorim, Ran Tao, Sarah Lotspeich, Pamela A. Shaw, Thomas Lumley, Rena C. Patel, Bryan E. Shepherd. First published: 21 November 2023. -
Two-Phase Sampling Designs for Data Validation in Settings with Covariate Measurement Error and Continuous Outcome
Gustavo Amorim, Ran Tao, Sarah Lotspeich, Pamela A. Shaw, Thomas Lumley, Bryan E. Shepherd. PMCID: PMC8715909.
More publications are listed in my updated CV.
Courses
- BIOS 6311 - Description