Sydney Davis holds a Bachelor of Science in Nursing from South Dakota State University and a Master of Science from Mount Marty College. Davis has extensive experience in healthcare, having worked as a nurse and a nurse anesthetist. In addition, Davis has operated as a cattle producer, bringing practical knowledge of agricultural practices to their policy advocacy. Davis's professional journey includes serving in the South Dakota House of Representatives, elected in November 2020, and subsequently assuming office in January 2021. Davis was elected State Senator for District 17 in 2022, securing a two-year term.

Sydney Davis combines a background in nursing with a deep-rooted commitment to agriculture, creating a unique ideological blend. Her advocacy for expanding nursing services and enhancing the roles of nurse anesthetists reflects a dedication to healthcare access, while her stance on sustainable agricultural practices reveals a nuanced approach to environmental issues. Davis's legislative record shows an unexpected convergence with opposing factions on environmental regulations, indicating a highly calculated strategy to protect regional industrial interests. This juxtaposition of healthcare and agricultural policy suggests an ideologically agile approach, balancing sector-specific needs with broader environmental concerns.