Braswell attended the University of Connecticut, from which she received a BA in political science in 2000, an MPA in public administration in 2002, and a JD in 2007.
[3] Braswell began her career working as an associate attorney with the law office of Updike, Kelly & Spacey in Hartford from 2007 to 2011.
Starting in March 2021, Braswell became chief of legal, planning and regulatory affairs at the Connecticut Department of Energy and Environmental Protection.
[4] Governor Ned Lamont appointed Braswell to be comptroller effective December 31, 2021, after Kevin Lembo resigned due to ill health.
Following the example of Governor William A. O'Neill, Lamont appointed Braswell as a caretaker after she committed not to seek a full four-year term.