Katie focuses on representing Indian tribes, tribal governmental instrumentalities and tribally owned enterprises. She has worked on a number of highly significant tribal issues, including one of the largest Indian water rights settlements in U.S. history and the largest tribal trust claim settlement, and is a member of the Ponca Tribe of Nebraska, as well as of Santee Sioux.

Katie has also represented tribal clients on a variety of matters, including issues regarding Indian water law and Congressional enactment and implementation of Indian water settlements; water management and marketing; United States Department of Agriculture Natural Resources Conservation Services funding opportunities; Indian gaming law; tribal trust accounting litigation and settlement; withdrawal of trust assets pursuant to the American Indian Trust Fund Management Reform Act; federal appropriations and congressional representation; Bureau of Indian Education school construction and financing; process for replacement of state statues in Statuary Hall in the United States Capitol; federal, state and tribal tax laws; land into trust and restricted fee land matters; economic development initiatives; environmental regulation; contract support costs under the Indian Self-Determination Education and Assistance Act; and Tribal sovereign immunity.