(Telecompaper) Apple has announced that Peter Oppenheimer, the company's senior vice president and CFO, will retire at the end of September. Luca Maestri, Apple's vice president of Finance and corporate controller, will succeed Oppenheimer as CFO, reporting to Apple CEO Tim Cook. Oppenheimer will transition the CFO role to Maestri in June and the balance of his responsibilities over the remaining time allowing for a seamless transition. Oppenheimer started with Apple in 1996 as controller for the Americas, and in 1997 was promoted to vice president and Worldwide Sales controller and then promoted to corporate controller prior to being named CFO. Oppenheimer also recently joined the board of directors of Goldman Sachs. Maestri brings more than 25 years of experience building and leading finance teams in global companies with significant operating scale and complexity to Apple. Prior to joining Apple, Maestri was CFO at both Nokia Siemens Networks and Xerox. Since joining Apple in March 2013, Maestri has managed the majority of Apple's financial functions and worked closely with Apple's senior leadership. Maestri began his career at General Motors and spend twenty years in finance and operating roles in the Americas, Asia Pacific and Europe.