Dr Leeper joined WSP USA Environment & Infrastructure Inc. (WSP) as a Senior Project Manager in 2012. He received his PhD in Civil Engineering from Colorado State University. Among a variety of projects at WSP Dr. Leeper provides technical support to the Santa Clara Pueblo in the Abbott Rio Santa Cruz General Stream Adjudication and provides water rights and water development technical assistance to the Navajo Department of Justice, Navajo Tribal Utility Authority, and Navajo Department of Water Resources.

While working for the Navajo Nation he was a Branch manager and supervised more than twenty fulltime water resources professionals. He represented the Navajo Nation for the San Juan River Settlements in New Mexico and in Utah. He served on the Navajo Gallup Water Supply Project and the Animas-La Plata Project Construction Coordination Committees. He directed the Navajo Nation’s participation in the State of New Mexico Regional Water Plans for the San Juan Region (Region 2) and Northwest New Mexico Region (Region 6). He contributed to environmental, appraisal level, value planning, and value engineering studies including: the Navajo Gallup Water Supply Project Final Environmental Impact Statement, the Black Mesa Environmental Impact Statement, the Draft Desert Rock Power Plant Environmental Impact Statement, the Page LeChee Water Supply Project Environmental Assessment, the Ganado Irrigation Project, Red Lake Irrigation Project and the Many Farms Irrigation Project Environmental

Prior to working for the Navajo Nation, he provided technical assistance to the Office of the Tribal Water Engineer of the Shoshone and Arapaho Tribes in Fort Washakie, Wyoming. This assistance included, among other activities, surface and groundwater permitting, dam safety monitoring of Washakie Dam, implementing cost-share programs and evaluation irrigation rehabilitation alternatives. Supervised portions of the Assessment and Plan for the Rehabilitation of the Wind River Irrigation Project and the Wind River Basin Wide Study which evaluated the available water supply, and future water demands in the Wind River Basin.

While a graduate student at Colorado State University he was a Peace Corps trainer for the African Food System Initiative in Lesotho and in the United States. Training topics included watershed restoration and public drinking water supply. He was a Teaching Assistant for irrigation short courses for foreign water resource professionals. And as a Peace Corps Volunteer and Trainer in Nepal he surveyed, designed, and supervised the construction of suspension bridges in rural Nepal. He was also a technical trainer in the Community Water Supply and Rural Suspension Bridge Program.