Maintaining its corporate headquarters in Houston, Noble Energy has explored for, produced and marketed crude oil and natural gas since its establishment in 1932. The company has become one of the world leaders in oil and gas exploration and production. Noble Energy s key strategy is to generate constant cash flow and production from its existing domestic operations, while generating growth from high impact international projects and the reinvestment of its free cash flow. With operations in the United States, the company has an onshore and offshore asset base from which it can make the most of its opportunities. Noble Energy's domestic properties are located in established, prolific basins. Its international ventures include significant projects in Equatorial Guinea, Israel, Ecuador, the North Sea, China and Argentina, with active pursuits in new opportunities throughout the world. Charles D. Davidson has been the chief executive officer of Noble Energy for more than six years. He has been with the oil, petroleum and gas company for over six years. Davidson earned a BS degree from Purdue University, and a MA from the University of Texas-Austin. Noble Energy maintains a location in Houston.