Sidney graduated from CU Boulder's Leeds School of Business, with a double-major in Finance & Accounting. Following her graduation, she spent a brief amount of time traveling overseas, before returning to her hometown of Boulder and beginning her professional accounting career. She worked for Kion, a Boulder health & wellness startup, for a year and a half before joining the RevelOne Finance & Accounting team in 2021. She is an avid triathlete, trail runner, and cyclist.