Dec 14, 2020 Mercer County Commissioners Greg Puckett and Bill Archer speak to all departments of the Mercer County Courthouse during an emergency meeting to discuss COVID-19 preparedness plans during this March file photo. BDT file photo PRINCETON â Mercer County Commissioner Greg Puckett is now a member of the National Association of Counties (NACo) Board of Directors, and he was surprised who attended the first virtual meeting of the board that he participated in. Puckett said he is replacing Jeff Woodrum, who is now a state senator. âI was appointed by the state NACo,â he said, one of 90 nationwide members representing 3,069 counties.