The daughter of artist Ronald Thomason of Fort Worth, Texas,[1] Walker received a B.A.
[3] Her professional career included roles at CenterPoint Energy, where she worked as Associate General Counsel and Director of Regulatory Affairs.
She thereafter served as Senior Policy Advisor to Governor Greg Abbott on regulated industries.
During hearings, Walker was accused of deflecting responsibility to the Electric Reliability Council of Texas (ERCOT) and others, which led to calls for her resignation from state officials, including Lieutenant Governor Dan Patrick.
During a bankruptcy trial related to the fallout from the 2021 winter storm, U.S. Bankruptcy Judge David Jones judge harshly criticized Walker for her contradictory testimony regarding the Commission's handling of the crisis, ultimately dismissing her from the stand.