Updated: Sept. 8, 2011

As chief financial officer, Peter Klein is responsible for leading Microsoft Corp.'s worldwide finance organization which includes overseeing acquisitions, corporate strategy, treasury activities, tax planning, accounting and reporting, internal audit and investor relations.

Prior to being named Microsoft CFO, Klein served as corporate vice president and CFO of Microsoft's Business Division (MBD), overseeing the financial performance of the division which includes the Microsoft Office System, Unified Communications, Microsoft Business Solutions and other businesses. In this role, Klein was responsible for overall financial management including financial and strategic planning, reporting and analysis as well as communications to the investment community.

Before joining MBD in February 2006, Klein was CFO of Microsoft's Server & Tools Business Group (STB). He joined Microsoft in 2002.

Prior to joining Microsoft, Klein spent 13 years in corporate finance in the Seattle area, primarily in the communications and technology sectors.  This included senior roles at McCaw Cellular Communications; Orca Bay Capital, a private equity firm; and several startups, including Homegrocer.com, where as vice president and treasurer he helped lead an IPO and subsequent acquisition by Webvan.

Klein holds a bachelor's degree from Yale University and a Master of Business Administration from the University of Washington. Outside of work, Klein is an avid sports fan and active in several charitable organizations including the United Way. He and his wife have two sons.