The table will filter the results as you type. Nancy Sharpe, chair of TAD's citizen review board, quit just days before hearing cases on property value protests from homeowners.The search will begin soon for his replacement. When a member of the TAD board resigns, all taxing entities receive a notice of vacancy. Each is invited to nominate a replacement to fill the vacancy. Head of Troubled Tarrant Appraisal District May Be Recalled Before Her 'Vacant' Seat Is Filled. Heider Garcia, who has been the elections director in Tarrant County since 2018, told county officials his last day on the job will be June 23. W.H. Slay is appointed to fill the remaining Board vacancy. Law then resigned from his post. William Durham, the Tarrant Appraisal District's director of commercial appraisals, stands in a room.