Christine Stage grew up in northern New York. She attended Lemoyne college and graduated with a BA in political science. She went onto Albany law school and was admitted to practice law in 1982. She then moved to Warwick, after marrying Doug Stage in 1980 and worked in private practice from 1982 through 1984. In 1984 Christine joined the county attorney's office, prosecuting child support cases and representing other county agencies. In 1988 Christine moved to the child abuse neglect unit and began prosecuting those cases until her retirement in 2018. Christine continued to serve on child advocacy panels and the child fatality review committee, while also training caseworkers and foster parents during her time there.

In 2014 and 2015 Christine ran for family court judge. Though unsuccessful, she used her experience to step into the role of Chair of the Warwick Democrats 2016, a role she held until July of this year. Since 2018 Christine has served as the 1st Vice-Chair of the Orange County Democratic Committee. Over the years, Christine was active in Jen Metzger‘s successful 2018 State Senate campaign, and several other county-wide and local races. Throughout 2023, Christine led the county party's campaign committee, where she helped to guide meaningful investments in several successful local campaigns. She and her husband have two children, James and Catie and four grandchildren, Timothy, Mason, Hunter and Mila.