Nancy Martorano Miller's research focuses on governing institutions and processes at the state-level. She was awarded the Alan Rosenthal Prize by the Legislative Studies Section of the American Political Science Association in 2007 for her research on state legislative committee systems. Martorano Miller was a keynote speaker at "The Rights of the Political Minority" conference held at the Rothermere American Institute at Oxford University in 2014, where she highlighted her research on minority party procedural rights in the policy-making process.
Martorano Miller has received grant funding from the National Science Foundation, The Center for the Study of Institutions and Values at Rice University, the Research Council at the University of Dayton, the University of Dayton Women's Center, and the University of Dayton College of Arts and Sciences' Liberal Arts Catalyst grant program. She has also served as the associate editor of State Politics and Policy Quarterly.
Martorano Miller also serves as the Associate Director of Research in the University Honors Program where she coordinates Senior Honors Theses, the Berry Summer Thesis Institute, Oxford Flyers and Clare Boothe Luce Research Scholars programs.