Martin Kelsey Brokenleg is a psychologist and author in the fields of trauma, resilience, and Native American studies.

An enrolled member of the Rosebud Sioux Tribe, he was a professor of Native American studies at Augustana University in South Dakota for 30 years.

[1] He also served as professor and director of the native ministries programme at the Vancouver School of Theology from 2004 to 2009.

[2] The framework posits that there are four universal needs and values that are essential for young people's growth: belonging, mastery, independence, and generosity.

[3][verification needed] The model has been widely used in educational, treatment, and youth work settings[4][5][6] and received the Albert E. Trieschman award for contribution to the child and youth care literature.