Tami retains her roles as CFO and CMO at Microsoft and will assume responsibility for the business of Windows. Reller joined Windows in 2007 from the Microsoft Dynamics division, where she held a number of leadership positions. She began her career in technology at Great Plains Software in 1984 while still in college, and was the company’s CFO when Microsoft acquired the firm in 2001. Reller has a bachelor’s degree in mathematics from Minnesota State University at Moorhead. In her expanded role she will assume the lead in driving business and marketing strategy for Windows devices, including Surface and partner devices, in addition to her current marketing and finance responsibilities.