 CENTREVILLE, Va., Sept. 09, 2021 GLOBE NEWSWIRE -- Parsons Corporation NYSE: PSN will present at the Morgan Stanley Virtual 9th Annual Laguna Conference. Carey Smith, President and CEO, and George Ball, CFO, will participate in a fireside chat question and answer session on Tuesday, September 14, 2021, at approximately 4:30 p.m. Eastern Time. 