Hall is a shareholder partner with the legal firm of Riggs, Abney, Neal, Turpen, Orbison & Lewis. In addition to his law practice, he is a nationally sought-after speaker and lecturer on employment law and civil rights issues. He is currently an adjunct professor at the University of Oklahoma lecturing on employment law and the civil rights movement, and serves on numerous boards including the Arvest Bank Board of Directors, the Executive Committee of the Southwest Center for Human Relations Studies, the Women’s and Gender Studies (WGS) Board of Advocates, and the Board of Visitors of the University of Oklahoma College of Law.