Sandy WhiteHawk was adopted by a non-Native family, but eventually returned to her roots. She founded and is the director of the First Nations Institute, an organization whose mission is to help Native adoptees and those who were in foster care reconnect with their tribal communities and identities.
Source: White Hawk, Sandra. “Make No Bones About It.” Soundcloud. Podcast audio, May 17, 2015. https://soundcloud.com/makenobonesaboutit/sandy-white-hawk-on-make-no-bones-about-it-may-17-2015