Macarena Roel is a Research Collaborator in Biostatistics at Hospital de Pediatría "Prof. Dr. Juan P. Garrahan," Buenos Aires, Argentina, where she has applied longitudinal, survival, and mixed-effects model analyses to pediatric and infectious disease studies since 2020, co-authoring peer-reviewed publications and advising researchers on study design and sample size calculations. She holds a B.Sc. in Bioinformatics from Universidad Argentina de la Empresa (UADE, 2019) and is completing an M.Sc. in Data Mining and Knowledge Discovery at Universidad de Buenos Aires (thesis in progress), for which she received the BeSmart Argentina Scholarship (2021). She also serves as a Biostatistics Lecturer at UADE, teaching undergraduate courses for Biotechnology and Bioinformatics students since 2022, and is coordinating a new postgraduate diploma program with Universidad Nacional de San Martín (UNSAM). Since 2024, she has additionally worked as a Biostatistician and Statistical Programmer at Radicle Science, modernizing statistical workflows for decentralized clinical trials. Her research interests center on biostatistics and reproducible workflows applied to pediatric infectious disease, HIV therapeutics, and clinical outcomes research.