A member of the Little Grand Rapids First Nation (Anishnawbe) in Manitoba, Dr. Wieman is Canada's first female Aboriginal psychiatrist. From 1997-2005, she practiced as a consultant psychiatrist at Six Nations Mental Health Services, a community mental health clinic based on the Six Nations of the Grand River Territory. Dr. Wieman has been actively involved in many Aboriginal health initiatives, such as the Vision 2020 strategy, a province-wide effort to train more Aboriginal physicians in Ontario. Dr. Wieman joined CIHR's Governing Council in spring 2007.