Keller worked in private practice as a criminal defense lawyer, and as an assistant county prosecutor.[3] She was elected as a state judge on the Kentucky Court of Appeals for the 6th appellate district in November 2006, defeating rival Owen Kennedy by 63% to 37%.[4]
The honors Keller has received include a Donated Legal Services Award from the Kentucky Bar Association in 2009 for her pro bono work, was named Outstanding Woman of Northern Kentucky in 2012, received the Richard D. Lawrence Lifetime Achievement Award from the Northern Kentucky Bar Association in 2013 and the Liberty Bell Award in 2014, the Distinguished Lawyer of the Year Award in 2017, and received a Distinguished Judge Award in 2020.[1]
^Grimes, Alison (November 2014). "Official 2014 General Election Results"(PDF). Kentucky Secretary of State. Commonwealth of Kentucky. Retrieved September 23, 2017.