Financial Times | Tullow Oil chief executive becomes chairman in boardroom shake-up Financial Times The Africa-focused oil explorer insisted the “unique nature” of its business and relationships required a “phased transition” in the company's leadership and said Mr Heavey's tenure as chairman would not exceed a period of two years, starting from its ... Tullow Oil boss steps up to chairman role after 'another tough year' Market report: Tullow Oil's switch at the top sends it sliding downhill Tullow Oil names Paul McDade as chief executive |