William R. Perry joined the firm as an associate in 1978 and became a partner in January 1984. He has participated in major federal and state court litigation on gaming, reservation disestablishment, Public Law 280, sovereign immunity, water rights, and the Indian Child Welfare Act. He works extensively with tribes on general counsel matters and congressional representation.

Mr. Perry's reported cases include Rosebud Sioux Tribe v. South Dakota, 900 F.2d 1164 (8th Cir. 1990), reh'g denied, cert. denied, 500 U.S. 915 (1990); American Indian Agric. Credit Consortium, Inc. v. Standing Rock Sioux Tribe, 780 F.2d 1374 (8th Cir. 1985) and Standing Rock Sioux Tribe v. Janklow, 103 F. Supp.2d 1146 (D.S.D. 2000). He was the principal attorney for the Standing Rock Sioux Equitable Compensation Act, which provides a perpetual federal trust fund of $90.6 million for the Tribe for losses connected with the flooding of Indian lands by a federal water project.

He attended Brown University, where he received his A.B. in 1975. Mr. Perry received his J.D., magna cum laude, in 1978 from Georgetown University Law Center where he was a member of the Law Journal.