Before taking on his current role, Kardal served as a grassroots labor-union organizer for the American Federation of Teachers (AFT), where he honed his skills in advocacy and issue-based organizing. He also provided invaluable assistance to respected figures such as Congresswoman Eddie Bernice Johnson, the Texas Legislative Black Caucus, State Representative Rhetta Andrews Bowers, and former Dallas Mayor Michael S. Rawlings. These experiences provided him with insight into government operations and the significance of effective policy-making.