Walker joined Nashville-based Waller Lansden Dortch & Davis, LLP, in 1977 and helped grow the law firm to more than 250 attorneys, overseeing legal operations as the firm’s Chief Operating Officer. Currently, she is CEO of Tennessee Private Trust Services, a wholly-owned subsidiary of Waller and is developing Legal Solutions and Innovations, to be co-owned with Waller. Served as President and Board member of the Association of Legal Administrators (ALA), Chaired ALA’s Professional Development Advisory Committee and belongs to ALA’s Large Firm Administrators Caucus. She is a Fellow of the College of Law Practice Management serving on the Executive Committee and co-chaired the 2020 and the 2019 Futures Conferences.

Appointed to the Board of Global Legal Blockchain Consortium in July, 2018. A member of the Waller team that established TokenizeTN, a nonprofit created to realize the full potential of emerging technologies to drive a new era in Tennessee, particularly focused on blockchain and distributed ledger technologies.