 He left the latter role in 2018 to serve exclusively as director of HPAIRI where he facilitates connections between researchers and the Eastern Shoshone and Northern Arapaho on the Wind River Indian Reservation.Trosper consults with researchers to clarify how working on tribal lands means conducting research in a manner reflective of tribal tradition and sovereignty.Trosper coordinates meetings with tribal elders and tribal leadership to approve proposed research; helps navigate data collection and dissemination in an appropriate manner; and works with tribes and researchers to address intellectual property rights and informed consent.