'Complaints' against CPS Energy's chief executive led to resignations of utility's top attorneys FacebookTwitterEmail Carolyn Shellman stepped down as CPS Energy’s chief legal and administrative officer. Her last day at the city-owned utility was June 16, 2021.Robin Jerstad /San Antonio Express News Internal strife between CPS Energy’s chief executive and several of its lawyers over the utility’s winter storm-related legal strategy led to the departure of its three top attorneys, documents obtained by the Express-News indicate. On Tuesday, CPS confirmed the attorneys had lodged what it termed “complaints” against CEO Paula Gold-Williams in the days leading up to their departures.