Selly joined SMERU as a researcher in 2014 and currently serves as a senior researcher. She specializes in public health, particularly maternal and child health, nutrition, health insurance, and health policy. Selly has strong expertise in both quantitative and qualitative methodologies, covering primary data collection as well as secondary data analysis. In her role as a senior researcher, she is often responsible for the full research cycle, from proposal development and data collection to data analysis, report writing, stakeholder engagement, and team coordination to ensure high-quality research outputs.

In addition, Selly serves as the Head of Health Cluster and Deputy Head of the Proposal Development Team. As the Head of Health Cluster, she is responsible for managing researchers, distributing workloads, and ensuring the quality of outputs of health research. As the Deputy Head of the Proposal Development Team, she plays a key role in identifying funding opportunities, developing research proposals, and coordinating research, administrative, and finance teams.