PROVIDENCE, R.I.--(BUSINESS WIRE)--United Natural Foods, Inc. (Nasdaq: UNFI) (the "Company") today announced that Mark Shamber, Senior Vice President, Chief Financial Officer and Treasurer, will participate in a fireside chat at the Jefferies 2015 Global Consumer Conference on Tuesday, June 23, 2015 at 2:00 p.m. ET in Nantucket, MA. The presentation will be available to interested parties via a live audio webcast. The webcast can be found at the investor relations section of the Company's websi