ARLINGTON, Va., 2017-Dec-11 — /EPR Retail News/ — The National Grocers Association (NGA), the trade association representing the independent supermarket industry, today announced that Molly Pfaffenroth has joined its government relations department as a senior manager. In her role, Pfaffenroth will primarily manage the association’s tax portfolio and assist on healthcare, trade, and nutrition issues. “Molly’s experience…