He is counsel in a number of cases involving federal wetlands jurisdiction under the Clean Water Act, including counsel to James & Rebecca Deaton in the U.S. Court of Appeals for the Fourth Circuit and to the National Association of Homebuilders, National Association of Realtors, and others as amicus curiae in the Needham and Rapanos cases in the Fifth and Sixth Circuits. He is co-author (with Virginia S. Albrecht) of "Could SWANCC Be Right?: A New Look at the Legislative History of the Clean Water Act," which appears in the September 2002 Environmental Law Reporter. Before entering private practice, he served as a law clerk to Justice Anthony M. Kennedy of the U.S. Supreme Court.