Keith Harper focuses his practice on litigation and Native American affairs. Throughout his career, Mr. Harper has represented tribes and individual Indians. Among other matters, Mr. Harper has, since inception of the case, represented the plaintiff class of 500,000 individual Indians and continues to serve as class counsel in the landmark Indian trust funds lawsuit, Cobell v. Kempthorne. Recently, the parties in the Cobell suit settled the case for $3.4 billion in aggregate.

Mr. Harper served as a Principal Advisor and Chair of the Native American Domestic Policy Committee for the Obama campaign and then as a member of the Obama-Biden Presidential Transition Team in the Energy & Environment Cluster.

Prior to joining the firm, Mr. Harper was a litigator at the Native American Rights Fund (NARF) in the Washington, D.C. office. During his tenure at NARF, he also taught "Federal Indian Law" as Adjunct Professor at Catholic University Columbus School of Law and at American University Washington College of Law. In 2001, Mr. Harper was appointed Appellate Justice on the highest court of the Mashantucket Pequot Tribal Nation, where he served until October 2007. More recently, he served on the Supreme Court of the Poarch Band of Creek Indians.

Mr. Harper is a member of the Cherokee Nation of Oklahoma. While attending New York University School of Law, he served as Articles & Note Editor for the Journal of International Law & Politics. He is the recipient of numerous awards, including The Rockefeller Foundation NGL Fellowship, Skadden Fellowship, The University of Arizona Indigenous Peoples Law Program Senior Fellowship, The American Bar Association Business Law Division Ambassadorship, The Fowler Fellowship for Public Policy, The Root-Tilden-Snow Scholarship and The Center for International Studies Fellowship.

The National Law Journal selected Mr. Harper as one of 50 “Most Influential Minority Lawyers in America” in May 2008. He is listed in the 2012 and the three years immediately preceding editions of Chambers USA: America's Leading Lawyers for Business. Mr. Harper was recognized in The Best Lawyers in America^® for Native American Law in 2013 and the five years immediately preceding. He is listed as a 2010, 2012 and 2013 Washington D.C. "Super Lawyer" in Native American Law by Super Lawyers magazine. Diversity & The Bar magazine selected Mr. Harper as one of 14 minority "Rainmakers." In 2001, he was selected as a Leadership Conference on Civil Rights delegate to the World Conference Against Racism in Durban, South Africa.