SAN DIEGO--(BUSINESS WIRE)--DexCom, Inc. (NASDAQ:DXCM) today announced that Steven Pacelli, Chief Operating Officer, will present an update on DexCom at the William Blair & Company Life Sciences Conference in New York City, on Wednesday, September 7, 2011 at 11:30 a.m. EDT. The presentation, which will occur live at The Intercontinental New York Barclay Hotel, will be concurrently webcast. The link to the webcast will be available on the DexCom, Inc. website at www.dexcom.com under the investor relations, events and webcasts section, and will be archived for future reference.