Professor Joondeph is a well regarded author on the topics of federalism, judicial behavior, and American constitutional development. He has had extensive experience with the Supreme Court, having served as judicial clerk to the Honorable Sandra Day O’Connor. He also served as clerk for the Honorable Deanell Reece Tacha of the United States Court of Appeals for the Tenth Circuit.

Prior to joining Santa Clara University School of Law in 2000, Professor Joondeph was an associate professor at Washington University School of Law, a lecturer and head teaching fellow at Stanford Law, and an adjunct instructor at the University of Kansas School of Law. He also served as a research assistant on the Dr. Martin Luther King, Jr. Papers Project.