Ruth Siboni is a 2019 Fulbright Scholar with the German Aerospace Agency (DLR), where her research will focus on project assessment strategies employed by national space agencies under the Horizon2020 program. She is particularly interested in the way technical requirements are employed in predicting cost impacts. She received a Ph.D from the University of Oregon and a J.D. from Georgetown University Law Center. She works at NASA Headquarters as a life scientist in the Space Life and Physical Sciences Research Division.