Halliburton announced Jeff Miller has been promoted to executive vice president and chief operating officer.
Reporting to Dave Lesar, Halliburton's chairman, president and chief executive officer, Miller will be responsible for the company's global operations, as well as business development and marketing.
Miller has held a number of positions at Halliburton, including most recently as senior vice president of global business development and marketing, responsible for strategic account management, sales and marketing.
Miller has also served as senior vice president of Halliburton's GoM region, vice president of the company's Baroid business line, country vice president for Indonesia, and country vice president for Angola.

