CODE Zika Brazil


Leadership Team

Leticia J. Marteleto is a social scientist with expertise in social demography, social stratification and reproductive health. Marteleto’s scholarship examines inequalities in fertility, reproductive processes and educational attainment, among others. Marteleto’s research has been funded by several foundations. She is currently the PI of DeCodE (Demographic Consequences of Epidemics-Brazil), funded by NICHD, and the first panel survey on reproductive health in Brazil, tracking women’s fertility desires, intentions and outcomes during the Zika and Covid-19 public health crises. Marteleto’s work has appeared in flagship journals in sociology, demography and other disciplines, such as Demography, Population and Development Review and Social Forces. Professor Marteleto holds a PhD in Sociology from The University of Michigan and is currently Professor of Sociology at the University of Texas at Austin. She is a research affiliate of the Population Research Center and the Lozano Long Institute for Latin American Studies at the same institution. 

Project Coordination

Ryan Lloyd is the Project Coordinator for the Decode Zika Project at the University of Texas-Austin, having joined the team in 2020. He was a Boren Fellow in 2014-15 in Brazil, where he lived until 2019. He received his PhD in Government from the University of Texas-Austin and Postdoctoral Fellow at the University of São Paulo. His research interests include comparative political behavior, vote buying, and migration, experimental design, quantitative and qualitative methods, and mixed-methods integration.

Project Management

Karlos Ramos (B.A. in Sociology, University of Texas at Austin) is the Decode Zika project manager. Karlos previously worked as a student researcher at UT studying metropolitan crime and reporting. He also assisted the Mexican American and Latinx Studies Department in a study that examined undergraduate UT students' familiarity and perceptions of their program. Most recently, Karlos served as the lab manager for Project EvoLearn, an NSF-funded cross-cultural project that examined children's learning in several international fieldsites. His areas of interest include data analysis, demography, and juvenile drug use.