Professor Fruehwald has taught at the law schools of the University of Alabama, Roger Williams University, and Hofstra University.
He graduated magna cum laude from the University of Louisville School of Law, where he was editor in chief of the Law Review. He also has an S.J.D. from the University of Virginia School of Law and a Ph.D. from the City University of New York.
He has published articles on law and behavioral biology, conflicts of law, federalism, and copyright. His book, Choice of Law for American Courts: A Multilateralist Method, received Hofstra University's Stessin Prize for Outstanding Scholarship in 2002. He has also written a book on law and behavioral biology, Law and Human Behavior: A Study in Behavioral Biology, Neuroscience, and The Law (2011).