Dennis Christiansen is former agency director of the Texas A&M Transportation Institute (TTI) and became a pioneer in high-occupancy vehicle lane development as part of his research in traffic operations and transportation planning. He has served as international president of ITE, the Council of University Transportation Centers, and the Research and Education Division of the American Road and Transportation Builders Association. He is a member of the ITS America Board and was selected as a Regents Fellow, the highest honor bestowed by The Texas A&M University System Board of Regents. In 1979 he received the Transportation Research Board’s Fred Burgraff Award. He won the ITE Technical Paper Award in 1984 and the Technical Council Award in 1988. The Texas Section named him its Transportation Engineer of the Year in 1989. Christiansen was ITE International President in 1996 and was awarded the ITE Theodore M. Matson Award in 2016.