IRVINE, Calif., Jan. 2, 2013 (GLOBE NEWSWIRE) -- Endologix, Inc. (Nasdaq:ELGX), developer and marketer of innovative treatments for aortic disorders, announced today that it has appointed Shelley B. Thunen to the position of Chief Financial Officer, effective immediately. Ms. Thunen succeeds Robert J. Krist, who, as previously announced, has decided to retire. Mr. Krist will remain available to the Company to ensure a smooth transition.