He is a member of the Cancer Genetics and Epigenetics research program at Winship Cancer Institute. Moreno specializes in cancer bioinformatics and systems biology, cancer genomics, cancer biomarkers, and transcriptional networks. He is the informatics project leader for the Emory Molecular Interaction Center for Functional genomics (MicFG) as part of the Cancer Target Discovery and Development (CTD²) Network to identify protein-protein interaction networks.