Kelda Helen Roys (born June 24, 1979) is an American tech entrepreneur, business owner, attorney, and Democratic politician from Madison, Wisconsin.

Her mother was a social worker, her stepfather was an environmental lawyer, and her father was a retired prosecutor and law enforcement officer.

[3] Roys attended New York University, where she designed her own major in politics, drama, and cultural studies, and received a B.A., magna cum laude, in 2000.

After law school, she worked for four years as the executive director of NARAL Pro-Choice Wisconsin, where she successfully advocated for passage of the Compassionate Care for Rape Victims Act.

Roys authored numerous pieces of legislation during her time in office, including public breastfeeding protections, additional income tax deductions for families, expanded college savings programs, reproductive health access, expanding health care coverage, increased training and data collection for law enforcement officers, expansion of AODA treatment services and prevention programs, and a successful statewide ban of Bisphenol A, or "BPA.

The ad drew attention to legislation Roys had supported during her time in the state assembly to ban the use of Bisphenol A in baby bottles, which is used in various plastic products and can linings[16] Roys won first place by 12 points in the Democratic Party of Wisconsin State Convention straw poll.

[21][22][23] In March 2020, Fred Risser, the longest-serving legislator in American history, announced he would retire from his seat in the Wisconsin State Senate at the end of the current term.