SAN DIEGO--(BUSINESS WIRE)--Dexcom, Inc. (NASDAQ:DXCM) today announced that Terrance Gregg, Chief Executive Officer, will present an update on Dexcom at the 30th Annual J.P. Morgan Healthcare Conference in San Francisco on Tuesday, January 10, 2011 at 4:30 p.m. (PST). The presentation, which will occur live at the Westin St. Francis Hotel in San Francisco, 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 webcast section, and will be archived for future reference.