Tamara St. John holds a certificate in cultural heritage tourism and has dedicated her career to preserving and promoting indigenous history and culture. She has extensive experience in community outreach and education, having worked with local, state, and federal entities on historic preservation and cultural projects. St. John's professional background includes serving as an historian, genealogist, and archivist for the Sisseton Wahpeton Tribal Archives and Collections. She has also served on the South Dakota Humanities Council and played a pivotal role in the Her Vote. Her Voice. project.

Tamara St. John blends indigenous cultural advocacy with strategic legislative action, as seen in her successful push to recognize the traditional flute as South Dakota's official indigenous instrument. Her opposition to the Carbon Pipeline on grounds of eminent domain reveals a nuanced stance on property rights that diverges from typical party lines. St. John's approach to historic preservation emphasizes community engagement, suggesting a localized and culturally sensitive political strategy.