Kelly grew up in Palo Alto and Menlo Park. She began her college career studying business at the University of Redlands, where she competed in basketball and softball for the Bulldogs. As a junior, she transferred to San Jose State and graduated as a scholar-athlete and member of the Spartans cross country team...with a degree in public relations. Kelly interned with the San Francisco 49ers in community relations in college and worked in the press box as a member of the team's gameday staff for five years.
Following graduation, she served as the Director of Public Relations for the Santa Clara County Association of REALTORS® (SCCAOR). Kelly joined Coldwell Banker as a sales associate in 2005 and quickly partnered with her mom, Jackie Walker, to form The Walker Team. In 2018 Kelly and Jackie affiliated with Sereno and joined forces with Kelly's husband, Daniel Goni. They are now dubbed Walker Goni Real Estate. Kelly and Daniel have two children and reside in Willow Glen.