IRVINE, Calif., Aug. 30, 2011 (GLOBE NEWSWIRE) -- Endologix, Inc. (Nasdaq:ELGX), developer and marketer of minimally invasive treatments for aortic disorders, announced today the appointment of Ruth Lyons to the position of Vice President of Global Marketing. Ms. Lyons brings more than 25 years of marketing and business development experience in the medical device industry.