Dr. Joshua Wallach is an Assistant Professor within the Department of Epidemiology at the Rollins School of Public Health. Dr. Wallach's research leverages a wide range of methodologies and data sources to synthesize, evaluate, and establish the best evidence to inform research, regulatory, and public-health decision making. His research falls within three main areas: general meta-research (i.e., evaluating the design, conduct, and reporting of biomedical studies); systematic reviews and meta-analyses; and issues related to pharmaceutical regulation/regulatory science.

Meta-research: research methods and biases, reporting and transparency (i.e., data-sharing and the disclosure and impacts of funding and conflicts of interest), research reproducibility, and publication practices.

Systematic reviews and meta-analysis: identifying, evaluating, and synthesizing research; meta-analytical methodology.

Pharmaceutical regulation/regulatory science: the impact of the US Food and Drug Administration's regulatory policy on clinical evidence development for pharmaceutical products in the postmarket setting; the use of observational methodlogy and real-world data to inform regulatory decision making (target trial emulation).