Professor Cooper teaches constitutional law, criminal procedure, criminal law, race gender and law, and constitutional criminal procedure theories. 

Prior to entering law teaching, he served as a federal district court judicial clerk, practiced law, and was a teaching assistant at Harvard University, where he won three Derek Bok Center teaching awards. He was previously an Assistant Professor at Villanova University School of Law.

A leader in national law professor organizations, Professor Cooper has served on the Boards of the Society of American Law Teachers, Latina/o Critical Legal Theory, and the John Mercer Langston Writing Workshop, among others.

His scholarly interests lie at the intersection of Criminal Procedure, Cultural Studies, Critical Race Feminism, and Masculinities studies, especially as applied to policing of men of color.

He has published more than 20 scholarly works, including the co-edited book, "Masculinities and the Law: A Multidimensional Approach."