 Ambrosio taught at Western Kentucky University from 1999 to 2000 and currently teaches at North Dakota State University from 2000–present, where is a Professor with tenure.He is currently the Department Head of Criminal Justice and Political Science.In 2007, Ambrosio was awarded the NDSU College of Arts, Humanities, and Social Sciences 'Outstanding Research' award as well as the 'Distinguished Educator's Award' from the NDSU chapter of the Blue Key National Honor Society.