By OGJ editors
HOUSTON, Nov. 29 -- Linn Energy LLC, Pittsburgh, Pa., has appointed Mark E. Ellis executive vice-president and chief operating officer.
Ellis has more than 25 years of oil and gas experience. He previously worked for ConocoPhillips as president of the Lower 48. Before that, Ellis served as senior vice-president of North American production for Burlington Resources Inc. and president of Burlington Resources Canada Ltd. He began his career in 1979 with Superior Oil Co.