L. Frank Manriquez has been a Board Member of the California Indian Basketweavers Association for 15 years and one of seven founding board members of the Advocates for Indigenous California Languages, organizations that are involved in the preservation and revival of Native Californian languages through traditional arts practice, language immersion, conferences and workshops.

She has won several awards for her activities, including from the American Association of University Women, the James Irvine Foundation, the Fund for Folk Culture (for travel to the Native Californian art collection at the Musée de l' Homme in Paris). In 1995 she was featured as a "Local Hero" in KQED-TV/Examiner Newspaper's Native American Heritage Month series. L. Frank is also active in the Two-Spirit culture educating and spreading awareness of issues.